Home / 7,275.30-10,040.73-4,132.02

Finding the Fourth Proportional to 7,275.30, 10,040.73 and 4,132.02

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Solution

The fourth proportional to 7,275.30, 10,040.73 and 4,132.02 is: 5,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.30 : 10,040.73 = 4,132.02 : x
  2. Step 2: Convert to fraction form
    7,275.30/10,040.73 = 4,132.02/x
  3. Step 3: Cross multiply
    7,275.30x = 10,040.73 × 4,132.02
  4. Step 4: Simplify right side
    7,275.30x = 41,488,497.17
  5. Step 5: Solve for x
    x = 41,488,497.17/7,275.30
  6. Step 6: Final answer
    x = 5,702.65

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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.