Home / 3,184.11-4,393.68-1,856.86

Finding the Fourth Proportional to 3,184.11, 4,393.68 and 1,856.86

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Solution

The fourth proportional to 3,184.11, 4,393.68 and 1,856.86 is: 2,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.11 : 4,393.68 = 1,856.86 : x
  2. Step 2: Convert to fraction form
    3,184.11/4,393.68 = 1,856.86/x
  3. Step 3: Cross multiply
    3,184.11x = 4,393.68 × 1,856.86
  4. Step 4: Simplify right side
    3,184.11x = 8,158,430.70
  5. Step 5: Solve for x
    x = 8,158,430.70/3,184.11
  6. Step 6: Final answer
    x = 2,562.23

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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.