Home / 4,456.15-6,148.44-3,042.78

Finding the Fourth Proportional to 4,456.15, 6,148.44 and 3,042.78

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Solution

The fourth proportional to 4,456.15, 6,148.44 and 3,042.78 is: 4,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.15 : 6,148.44 = 3,042.78 : x
  2. Step 2: Convert to fraction form
    4,456.15/6,148.44 = 3,042.78/x
  3. Step 3: Cross multiply
    4,456.15x = 6,148.44 × 3,042.78
  4. Step 4: Simplify right side
    4,456.15x = 18,708,350.26
  5. Step 5: Solve for x
    x = 18,708,350.26/4,456.15
  6. Step 6: Final answer
    x = 4,198.32

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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.