Home / 5,101.24-7,039.14-2,862.65

Finding the Fourth Proportional to 5,101.24, 7,039.14 and 2,862.65

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Solution

The fourth proportional to 5,101.24, 7,039.14 and 2,862.65 is: 3,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.24 : 7,039.14 = 2,862.65 : x
  2. Step 2: Convert to fraction form
    5,101.24/7,039.14 = 2,862.65/x
  3. Step 3: Cross multiply
    5,101.24x = 7,039.14 × 2,862.65
  4. Step 4: Simplify right side
    5,101.24x = 20,150,594.12
  5. Step 5: Solve for x
    x = 20,150,594.12/5,101.24
  6. Step 6: Final answer
    x = 3,950.14

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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.