Home / 5,400.32-7,454.30-3,162.92

Finding the Fourth Proportional to 5,400.32, 7,454.30 and 3,162.92

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Solution

The fourth proportional to 5,400.32, 7,454.30 and 3,162.92 is: 4,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.32 : 7,454.30 = 3,162.92 : x
  2. Step 2: Convert to fraction form
    5,400.32/7,454.30 = 3,162.92/x
  3. Step 3: Cross multiply
    5,400.32x = 7,454.30 × 3,162.92
  4. Step 4: Simplify right side
    5,400.32x = 23,577,301.47
  5. Step 5: Solve for x
    x = 23,577,301.47/5,400.32
  6. Step 6: Final answer
    x = 4,365.91

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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.