Home / 7,292.32-10,064.40-4,149.92

Finding the Fourth Proportional to 7,292.32, 10,064.40 and 4,149.92

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Solution

The fourth proportional to 7,292.32, 10,064.40 and 4,149.92 is: 5,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.32 : 10,064.40 = 4,149.92 : x
  2. Step 2: Convert to fraction form
    7,292.32/10,064.40 = 4,149.92/x
  3. Step 3: Cross multiply
    7,292.32x = 10,064.40 × 4,149.92
  4. Step 4: Simplify right side
    7,292.32x = 41,766,454.85
  5. Step 5: Solve for x
    x = 41,766,454.85/7,292.32
  6. Step 6: Final answer
    x = 5,727.46

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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.