Home / 5,487.28-7,567.42-4,693.57

Finding the Fourth Proportional to 5,487.28, 7,567.42 and 4,693.57

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Solution

The fourth proportional to 5,487.28, 7,567.42 and 4,693.57 is: 6,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.28 : 7,567.42 = 4,693.57 : x
  2. Step 2: Convert to fraction form
    5,487.28/7,567.42 = 4,693.57/x
  3. Step 3: Cross multiply
    5,487.28x = 7,567.42 × 4,693.57
  4. Step 4: Simplify right side
    5,487.28x = 35,518,215.49
  5. Step 5: Solve for x
    x = 35,518,215.49/5,487.28
  6. Step 6: Final answer
    x = 6,472.83

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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.