Home / 3,174.28-4,381.04-3,034.12

Finding the Fourth Proportional to 3,174.28, 4,381.04 and 3,034.12

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Solution

The fourth proportional to 3,174.28, 4,381.04 and 3,034.12 is: 4,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.28 : 4,381.04 = 3,034.12 : x
  2. Step 2: Convert to fraction form
    3,174.28/4,381.04 = 3,034.12/x
  3. Step 3: Cross multiply
    3,174.28x = 4,381.04 × 3,034.12
  4. Step 4: Simplify right side
    3,174.28x = 13,292,601.08
  5. Step 5: Solve for x
    x = 13,292,601.08/3,174.28
  6. Step 6: Final answer
    x = 4,187.60

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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.