Home / 3,740.11-5,609.96-1,142.85

Finding the Fourth Proportional to 3,740.11, 5,609.96 and 1,142.85

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Solution

The fourth proportional to 3,740.11, 5,609.96 and 1,142.85 is: 1,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.11 : 5,609.96 = 1,142.85 : x
  2. Step 2: Convert to fraction form
    3,740.11/5,609.96 = 1,142.85/x
  3. Step 3: Cross multiply
    3,740.11x = 5,609.96 × 1,142.85
  4. Step 4: Simplify right side
    3,740.11x = 6,411,342.79
  5. Step 5: Solve for x
    x = 6,411,342.79/3,740.11
  6. Step 6: Final answer
    x = 1,714.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.