Home / 5,139.05-7,696.13-2,941.11

Finding the Fourth Proportional to 5,139.05, 7,696.13 and 2,941.11

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Solution

The fourth proportional to 5,139.05, 7,696.13 and 2,941.11 is: 4,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.05 : 7,696.13 = 2,941.11 : x
  2. Step 2: Convert to fraction form
    5,139.05/7,696.13 = 2,941.11/x
  3. Step 3: Cross multiply
    5,139.05x = 7,696.13 × 2,941.11
  4. Step 4: Simplify right side
    5,139.05x = 22,635,150.20
  5. Step 5: Solve for x
    x = 22,635,150.20/5,139.05
  6. Step 6: Final answer
    x = 4,404.54

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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.