Home / 5,280.88-7,285.24-3,042.16

Finding the Fourth Proportional to 5,280.88, 7,285.24 and 3,042.16

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Solution

The fourth proportional to 5,280.88, 7,285.24 and 3,042.16 is: 4,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.88 : 7,285.24 = 3,042.16 : x
  2. Step 2: Convert to fraction form
    5,280.88/7,285.24 = 3,042.16/x
  3. Step 3: Cross multiply
    5,280.88x = 7,285.24 × 3,042.16
  4. Step 4: Simplify right side
    5,280.88x = 22,162,865.72
  5. Step 5: Solve for x
    x = 22,162,865.72/5,280.88
  6. Step 6: Final answer
    x = 4,196.81

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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.