Home / 5,280.16-7,286.96-3,042.00

Finding the Fourth Proportional to 5,280.16, 7,286.96 and 3,042.00

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Solution

The fourth proportional to 5,280.16, 7,286.96 and 3,042.00 is: 4,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.16 : 7,286.96 = 3,042.00 : x
  2. Step 2: Convert to fraction form
    5,280.16/7,286.96 = 3,042.00/x
  3. Step 3: Cross multiply
    5,280.16x = 7,286.96 × 3,042.00
  4. Step 4: Simplify right side
    5,280.16x = 22,166,921.71
  5. Step 5: Solve for x
    x = 22,166,921.71/5,280.16
  6. Step 6: Final answer
    x = 4,198.15

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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.