Home / 5,280.17-7,286.54-3,042.03

Finding the Fourth Proportional to 5,280.17, 7,286.54 and 3,042.03

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Solution

The fourth proportional to 5,280.17, 7,286.54 and 3,042.03 is: 4,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.17 : 7,286.54 = 3,042.03 : x
  2. Step 2: Convert to fraction form
    5,280.17/7,286.54 = 3,042.03/x
  3. Step 3: Cross multiply
    5,280.17x = 7,286.54 × 3,042.03
  4. Step 4: Simplify right side
    5,280.17x = 22,165,858.07
  5. Step 5: Solve for x
    x = 22,165,858.07/5,280.17
  6. Step 6: Final answer
    x = 4,197.95

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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.