Home / 7,275.38-10,040.02-4,480.88

Finding the Fourth Proportional to 7,275.38, 10,040.02 and 4,480.88

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Solution

The fourth proportional to 7,275.38, 10,040.02 and 4,480.88 is: 6,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.38 : 10,040.02 = 4,480.88 : x
  2. Step 2: Convert to fraction form
    7,275.38/10,040.02 = 4,480.88/x
  3. Step 3: Cross multiply
    7,275.38x = 10,040.02 × 4,480.88
  4. Step 4: Simplify right side
    7,275.38x = 44,988,063.42
  5. Step 5: Solve for x
    x = 44,988,063.42/7,275.38
  6. Step 6: Final answer
    x = 6,183.61

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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.