Home / 7,542.01-11,311.55-3,792.79

Finding the Fourth Proportional to 7,542.01, 11,311.55 and 3,792.79

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Solution

The fourth proportional to 7,542.01, 11,311.55 and 3,792.79 is: 5,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.01 : 11,311.55 = 3,792.79 : x
  2. Step 2: Convert to fraction form
    7,542.01/11,311.55 = 3,792.79/x
  3. Step 3: Cross multiply
    7,542.01x = 11,311.55 × 3,792.79
  4. Step 4: Simplify right side
    7,542.01x = 42,902,343.12
  5. Step 5: Solve for x
    x = 42,902,343.12/7,542.01
  6. Step 6: Final answer
    x = 5,688.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.