Home / 3,510.62-4,844.42-1,938.76

Finding the Fourth Proportional to 3,510.62, 4,844.42 and 1,938.76

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Solution

The fourth proportional to 3,510.62, 4,844.42 and 1,938.76 is: 2,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.62 : 4,844.42 = 1,938.76 : x
  2. Step 2: Convert to fraction form
    3,510.62/4,844.42 = 1,938.76/x
  3. Step 3: Cross multiply
    3,510.62x = 4,844.42 × 1,938.76
  4. Step 4: Simplify right side
    3,510.62x = 9,392,167.72
  5. Step 5: Solve for x
    x = 9,392,167.72/3,510.62
  6. Step 6: Final answer
    x = 2,675.36

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Half scale
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Double scale
Find fourth proportional to 3,511.62, 4,845.80 and 1,939.76
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.