Home / 7,446.24-10,275.92-4,260.20

Finding the Fourth Proportional to 7,446.24, 10,275.92 and 4,260.20

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Solution

The fourth proportional to 7,446.24, 10,275.92 and 4,260.20 is: 5,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.24 : 10,275.92 = 4,260.20 : x
  2. Step 2: Convert to fraction form
    7,446.24/10,275.92 = 4,260.20/x
  3. Step 3: Cross multiply
    7,446.24x = 10,275.92 × 4,260.20
  4. Step 4: Simplify right side
    7,446.24x = 43,777,474.38
  5. Step 5: Solve for x
    x = 43,777,474.38/7,446.24
  6. Step 6: Final answer
    x = 5,879.14

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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.