Home / 3,149.47-4,345.68-1,752.22

Finding the Fourth Proportional to 3,149.47, 4,345.68 and 1,752.22

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Solution

The fourth proportional to 3,149.47, 4,345.68 and 1,752.22 is: 2,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.47 : 4,345.68 = 1,752.22 : x
  2. Step 2: Convert to fraction form
    3,149.47/4,345.68 = 1,752.22/x
  3. Step 3: Cross multiply
    3,149.47x = 4,345.68 × 1,752.22
  4. Step 4: Simplify right side
    3,149.47x = 7,614,587.41
  5. Step 5: Solve for x
    x = 7,614,587.41/3,149.47
  6. Step 6: Final answer
    x = 2,417.74

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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.