Home / 5,182.11-7,151.40-2,824.38

Finding the Fourth Proportional to 5,182.11, 7,151.40 and 2,824.38

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Solution

The fourth proportional to 5,182.11, 7,151.40 and 2,824.38 is: 3,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.11 : 7,151.40 = 2,824.38 : x
  2. Step 2: Convert to fraction form
    5,182.11/7,151.40 = 2,824.38/x
  3. Step 3: Cross multiply
    5,182.11x = 7,151.40 × 2,824.38
  4. Step 4: Simplify right side
    5,182.11x = 20,198,271.13
  5. Step 5: Solve for x
    x = 20,198,271.13/5,182.11
  6. Step 6: Final answer
    x = 3,897.69

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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.