Home / 3,700.90-5,108.10-2,442.18

Finding the Fourth Proportional to 3,700.90, 5,108.10 and 2,442.18

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Solution

The fourth proportional to 3,700.90, 5,108.10 and 2,442.18 is: 3,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.90 : 5,108.10 = 2,442.18 : x
  2. Step 2: Convert to fraction form
    3,700.90/5,108.10 = 2,442.18/x
  3. Step 3: Cross multiply
    3,700.90x = 5,108.10 × 2,442.18
  4. Step 4: Simplify right side
    3,700.90x = 12,474,899.66
  5. Step 5: Solve for x
    x = 12,474,899.66/3,700.90
  6. Step 6: Final answer
    x = 3,370.77

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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.