Home / 5,358.20-7,394.68-3,001.12

Finding the Fourth Proportional to 5,358.20, 7,394.68 and 3,001.12

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Solution

The fourth proportional to 5,358.20, 7,394.68 and 3,001.12 is: 4,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.20 : 7,394.68 = 3,001.12 : x
  2. Step 2: Convert to fraction form
    5,358.20/7,394.68 = 3,001.12/x
  3. Step 3: Cross multiply
    5,358.20x = 7,394.68 × 3,001.12
  4. Step 4: Simplify right side
    5,358.20x = 22,192,322.04
  5. Step 5: Solve for x
    x = 22,192,322.04/5,358.20
  6. Step 6: Final answer
    x = 4,141.75

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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.