Home / 5,877.76-8,111.42-3,225.02

Finding the Fourth Proportional to 5,877.76, 8,111.42 and 3,225.02

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Solution

The fourth proportional to 5,877.76, 8,111.42 and 3,225.02 is: 4,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.76 : 8,111.42 = 3,225.02 : x
  2. Step 2: Convert to fraction form
    5,877.76/8,111.42 = 3,225.02/x
  3. Step 3: Cross multiply
    5,877.76x = 8,111.42 × 3,225.02
  4. Step 4: Simplify right side
    5,877.76x = 26,159,491.73
  5. Step 5: Solve for x
    x = 26,159,491.73/5,877.76
  6. Step 6: Final answer
    x = 4,450.59

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Half scale
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Double scale
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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.