Home / 5,412.89-7,470.11-3,022.86

Finding the Fourth Proportional to 5,412.89, 7,470.11 and 3,022.86

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Solution

The fourth proportional to 5,412.89, 7,470.11 and 3,022.86 is: 4,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.89 : 7,470.11 = 3,022.86 : x
  2. Step 2: Convert to fraction form
    5,412.89/7,470.11 = 3,022.86/x
  3. Step 3: Cross multiply
    5,412.89x = 7,470.11 × 3,022.86
  4. Step 4: Simplify right side
    5,412.89x = 22,581,096.71
  5. Step 5: Solve for x
    x = 22,581,096.71/5,412.89
  6. Step 6: Final answer
    x = 4,171.73

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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.