Home / 3,101.93-4,281.17-2,394.80

Finding the Fourth Proportional to 3,101.93, 4,281.17 and 2,394.80

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Solution

The fourth proportional to 3,101.93, 4,281.17 and 2,394.80 is: 3,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.93 : 4,281.17 = 2,394.80 : x
  2. Step 2: Convert to fraction form
    3,101.93/4,281.17 = 2,394.80/x
  3. Step 3: Cross multiply
    3,101.93x = 4,281.17 × 2,394.80
  4. Step 4: Simplify right side
    3,101.93x = 10,252,545.92
  5. Step 5: Solve for x
    x = 10,252,545.92/3,101.93
  6. Step 6: Final answer
    x = 3,305.22

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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.