Home / 5,318.96-7,332.54-3,742.16

Finding the Fourth Proportional to 5,318.96, 7,332.54 and 3,742.16

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Solution

The fourth proportional to 5,318.96, 7,332.54 and 3,742.16 is: 5,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.96 : 7,332.54 = 3,742.16 : x
  2. Step 2: Convert to fraction form
    5,318.96/7,332.54 = 3,742.16/x
  3. Step 3: Cross multiply
    5,318.96x = 7,332.54 × 3,742.16
  4. Step 4: Simplify right side
    5,318.96x = 27,439,537.89
  5. Step 5: Solve for x
    x = 27,439,537.89/5,318.96
  6. Step 6: Final answer
    x = 5,158.82

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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.