Home / 3,318.88-4,580.16-1,826.92

Finding the Fourth Proportional to 3,318.88, 4,580.16 and 1,826.92

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Solution

The fourth proportional to 3,318.88, 4,580.16 and 1,826.92 is: 2,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.88 : 4,580.16 = 1,826.92 : x
  2. Step 2: Convert to fraction form
    3,318.88/4,580.16 = 1,826.92/x
  3. Step 3: Cross multiply
    3,318.88x = 4,580.16 × 1,826.92
  4. Step 4: Simplify right side
    3,318.88x = 8,367,585.91
  5. Step 5: Solve for x
    x = 8,367,585.91/3,318.88
  6. Step 6: Final answer
    x = 2,521.21

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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.