Home / 7,542.08-11,317.53-3,159.17

Finding the Fourth Proportional to 7,542.08, 11,317.53 and 3,159.17

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Solution

The fourth proportional to 7,542.08, 11,317.53 and 3,159.17 is: 4,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.08 : 11,317.53 = 3,159.17 : x
  2. Step 2: Convert to fraction form
    7,542.08/11,317.53 = 3,159.17/x
  3. Step 3: Cross multiply
    7,542.08x = 11,317.53 × 3,159.17
  4. Step 4: Simplify right side
    7,542.08x = 35,753,928.87
  5. Step 5: Solve for x
    x = 35,753,928.87/7,542.08
  6. Step 6: Final answer
    x = 4,740.60

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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.