Home / 5,387.49-7,434.66-3,029.63

Finding the Fourth Proportional to 5,387.49, 7,434.66 and 3,029.63

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Solution

The fourth proportional to 5,387.49, 7,434.66 and 3,029.63 is: 4,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.49 : 7,434.66 = 3,029.63 : x
  2. Step 2: Convert to fraction form
    5,387.49/7,434.66 = 3,029.63/x
  3. Step 3: Cross multiply
    5,387.49x = 7,434.66 × 3,029.63
  4. Step 4: Simplify right side
    5,387.49x = 22,524,255.55
  5. Step 5: Solve for x
    x = 22,524,255.55/5,387.49
  6. Step 6: Final answer
    x = 4,180.85

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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.