Home / 3,125.86-4,309.68-2,004.76

Finding the Fourth Proportional to 3,125.86, 4,309.68 and 2,004.76

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Solution

The fourth proportional to 3,125.86, 4,309.68 and 2,004.76 is: 2,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.86 : 4,309.68 = 2,004.76 : x
  2. Step 2: Convert to fraction form
    3,125.86/4,309.68 = 2,004.76/x
  3. Step 3: Cross multiply
    3,125.86x = 4,309.68 × 2,004.76
  4. Step 4: Simplify right side
    3,125.86x = 8,639,874.08
  5. Step 5: Solve for x
    x = 8,639,874.08/3,125.86
  6. Step 6: Final answer
    x = 2,764.00

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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.