Home / 4,038.20-6,046.30-2,086.31

Finding the Fourth Proportional to 4,038.20, 6,046.30 and 2,086.31

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Solution

The fourth proportional to 4,038.20, 6,046.30 and 2,086.31 is: 3,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.20 : 6,046.30 = 2,086.31 : x
  2. Step 2: Convert to fraction form
    4,038.20/6,046.30 = 2,086.31/x
  3. Step 3: Cross multiply
    4,038.20x = 6,046.30 × 2,086.31
  4. Step 4: Simplify right side
    4,038.20x = 12,614,428.13
  5. Step 5: Solve for x
    x = 12,614,428.13/4,038.20
  6. Step 6: Final answer
    x = 3,123.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.