Home / 5,240.77-7,232.24-3,002.65

Finding the Fourth Proportional to 5,240.77, 7,232.24 and 3,002.65

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Solution

The fourth proportional to 5,240.77, 7,232.24 and 3,002.65 is: 4,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.77 : 7,232.24 = 3,002.65 : x
  2. Step 2: Convert to fraction form
    5,240.77/7,232.24 = 3,002.65/x
  3. Step 3: Cross multiply
    5,240.77x = 7,232.24 × 3,002.65
  4. Step 4: Simplify right side
    5,240.77x = 21,715,874.86
  5. Step 5: Solve for x
    x = 21,715,874.86/5,240.77
  6. Step 6: Final answer
    x = 4,143.64

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Half scale
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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.