Home / 2,294.86-3,166.90-1,246.92

Finding the Fourth Proportional to 2,294.86, 3,166.90 and 1,246.92

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Solution

The fourth proportional to 2,294.86, 3,166.90 and 1,246.92 is: 1,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.86 : 3,166.90 = 1,246.92 : x
  2. Step 2: Convert to fraction form
    2,294.86/3,166.90 = 1,246.92/x
  3. Step 3: Cross multiply
    2,294.86x = 3,166.90 × 1,246.92
  4. Step 4: Simplify right side
    2,294.86x = 3,948,867.83
  5. Step 5: Solve for x
    x = 3,948,867.83/2,294.86
  6. Step 6: Final answer
    x = 1,720.75

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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.