Home / 5,282.52-7,290.68-3,186.24

Finding the Fourth Proportional to 5,282.52, 7,290.68 and 3,186.24

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Solution

The fourth proportional to 5,282.52, 7,290.68 and 3,186.24 is: 4,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.52 : 7,290.68 = 3,186.24 : x
  2. Step 2: Convert to fraction form
    5,282.52/7,290.68 = 3,186.24/x
  3. Step 3: Cross multiply
    5,282.52x = 7,290.68 × 3,186.24
  4. Step 4: Simplify right side
    5,282.52x = 23,229,856.24
  5. Step 5: Solve for x
    x = 23,229,856.24/5,282.52
  6. Step 6: Final answer
    x = 4,397.50

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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.