Home / 7,338.20-10,124.26-4,151.05

Finding the Fourth Proportional to 7,338.20, 10,124.26 and 4,151.05

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Solution

The fourth proportional to 7,338.20, 10,124.26 and 4,151.05 is: 5,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.20 : 10,124.26 = 4,151.05 : x
  2. Step 2: Convert to fraction form
    7,338.20/10,124.26 = 4,151.05/x
  3. Step 3: Cross multiply
    7,338.20x = 10,124.26 × 4,151.05
  4. Step 4: Simplify right side
    7,338.20x = 42,026,273.78
  5. Step 5: Solve for x
    x = 42,026,273.78/7,338.20
  6. Step 6: Final answer
    x = 5,727.06

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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.