Home / 3,740.12-5,610.17-1,143.03

Finding the Fourth Proportional to 3,740.12, 5,610.17 and 1,143.03

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Solution

The fourth proportional to 3,740.12, 5,610.17 and 1,143.03 is: 1,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.12 : 5,610.17 = 1,143.03 : x
  2. Step 2: Convert to fraction form
    3,740.12/5,610.17 = 1,143.03/x
  3. Step 3: Cross multiply
    3,740.12x = 5,610.17 × 1,143.03
  4. Step 4: Simplify right side
    3,740.12x = 6,412,595.47
  5. Step 5: Solve for x
    x = 6,412,595.47/3,740.12
  6. Step 6: Final answer
    x = 1,714.55

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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.