Home / 5,174.22-7,140.56-3,049.94

Finding the Fourth Proportional to 5,174.22, 7,140.56 and 3,049.94

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Solution

The fourth proportional to 5,174.22, 7,140.56 and 3,049.94 is: 4,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.22 : 7,140.56 = 3,049.94 : x
  2. Step 2: Convert to fraction form
    5,174.22/7,140.56 = 3,049.94/x
  3. Step 3: Cross multiply
    5,174.22x = 7,140.56 × 3,049.94
  4. Step 4: Simplify right side
    5,174.22x = 21,778,279.57
  5. Step 5: Solve for x
    x = 21,778,279.57/5,174.22
  6. Step 6: Final answer
    x = 4,209.00

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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.