Home / 7,231.20-9,976.23-4,541.28

Finding the Fourth Proportional to 7,231.20, 9,976.23 and 4,541.28

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Solution

The fourth proportional to 7,231.20, 9,976.23 and 4,541.28 is: 6,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.20 : 9,976.23 = 4,541.28 : x
  2. Step 2: Convert to fraction form
    7,231.20/9,976.23 = 4,541.28/x
  3. Step 3: Cross multiply
    7,231.20x = 9,976.23 × 4,541.28
  4. Step 4: Simplify right side
    7,231.20x = 45,304,853.77
  5. Step 5: Solve for x
    x = 45,304,853.77/7,231.20
  6. Step 6: Final answer
    x = 6,265.19

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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.