Home / 2,635.18-3,952.84-1,248.18

Finding the Fourth Proportional to 2,635.18, 3,952.84 and 1,248.18

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Solution

The fourth proportional to 2,635.18, 3,952.84 and 1,248.18 is: 1,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.18 : 3,952.84 = 1,248.18 : x
  2. Step 2: Convert to fraction form
    2,635.18/3,952.84 = 1,248.18/x
  3. Step 3: Cross multiply
    2,635.18x = 3,952.84 × 1,248.18
  4. Step 4: Simplify right side
    2,635.18x = 4,933,855.83
  5. Step 5: Solve for x
    x = 4,933,855.83/2,635.18
  6. Step 6: Final answer
    x = 1,872.30

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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.