Home / 2,472.39-3,407.74-1,874.69

Finding the Fourth Proportional to 2,472.39, 3,407.74 and 1,874.69

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Solution

The fourth proportional to 2,472.39, 3,407.74 and 1,874.69 is: 2,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.39 : 3,407.74 = 1,874.69 : x
  2. Step 2: Convert to fraction form
    2,472.39/3,407.74 = 1,874.69/x
  3. Step 3: Cross multiply
    2,472.39x = 3,407.74 × 1,874.69
  4. Step 4: Simplify right side
    2,472.39x = 6,388,456.10
  5. Step 5: Solve for x
    x = 6,388,456.10/2,472.39
  6. Step 6: Final answer
    x = 2,583.92

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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.