Home / 7,552.59-10,422.12-4,195.20

Finding the Fourth Proportional to 7,552.59, 10,422.12 and 4,195.20

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Solution

The fourth proportional to 7,552.59, 10,422.12 and 4,195.20 is: 5,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.59 : 10,422.12 = 4,195.20 : x
  2. Step 2: Convert to fraction form
    7,552.59/10,422.12 = 4,195.20/x
  3. Step 3: Cross multiply
    7,552.59x = 10,422.12 × 4,195.20
  4. Step 4: Simplify right side
    7,552.59x = 43,722,877.82
  5. Step 5: Solve for x
    x = 43,722,877.82/7,552.59
  6. Step 6: Final answer
    x = 5,789.12

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Double scale
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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.