Home / 3,572.67-4,930.35-2,000.76

Finding the Fourth Proportional to 3,572.67, 4,930.35 and 2,000.76

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Solution

The fourth proportional to 3,572.67, 4,930.35 and 2,000.76 is: 2,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.67 : 4,930.35 = 2,000.76 : x
  2. Step 2: Convert to fraction form
    3,572.67/4,930.35 = 2,000.76/x
  3. Step 3: Cross multiply
    3,572.67x = 4,930.35 × 2,000.76
  4. Step 4: Simplify right side
    3,572.67x = 9,864,452.07
  5. Step 5: Solve for x
    x = 9,864,452.07/3,572.67
  6. Step 6: Final answer
    x = 2,761.09

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Find fourth proportional to 1,786.34, 2,465.18 and 1,000.38
Half scale
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Double scale
Find fourth proportional to 3,573.67, 4,931.73 and 2,001.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.