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Finding the Fourth Proportional to 3,700.65, 5,108.84 and 2,443.77

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Solution

The fourth proportional to 3,700.65, 5,108.84 and 2,443.77 is: 3,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.65 : 5,108.84 = 2,443.77 : x
  2. Step 2: Convert to fraction form
    3,700.65/5,108.84 = 2,443.77/x
  3. Step 3: Cross multiply
    3,700.65x = 5,108.84 × 2,443.77
  4. Step 4: Simplify right side
    3,700.65x = 12,484,826.87
  5. Step 5: Solve for x
    x = 12,484,826.87/3,700.65
  6. Step 6: Final answer
    x = 3,373.68

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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.