Home / 5,688.52-7,850.74-3,171.04

Finding the Fourth Proportional to 5,688.52, 7,850.74 and 3,171.04

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Solution

The fourth proportional to 5,688.52, 7,850.74 and 3,171.04 is: 4,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.52 : 7,850.74 = 3,171.04 : x
  2. Step 2: Convert to fraction form
    5,688.52/7,850.74 = 3,171.04/x
  3. Step 3: Cross multiply
    5,688.52x = 7,850.74 × 3,171.04
  4. Step 4: Simplify right side
    5,688.52x = 24,895,010.57
  5. Step 5: Solve for x
    x = 24,895,010.57/5,688.52
  6. Step 6: Final answer
    x = 4,376.36

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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.