Home / 5,633.18-7,773.84-3,115.16

Finding the Fourth Proportional to 5,633.18, 7,773.84 and 3,115.16

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Solution

The fourth proportional to 5,633.18, 7,773.84 and 3,115.16 is: 4,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.18 : 7,773.84 = 3,115.16 : x
  2. Step 2: Convert to fraction form
    5,633.18/7,773.84 = 3,115.16/x
  3. Step 3: Cross multiply
    5,633.18x = 7,773.84 × 3,115.16
  4. Step 4: Simplify right side
    5,633.18x = 24,216,755.41
  5. Step 5: Solve for x
    x = 24,216,755.41/5,633.18
  6. Step 6: Final answer
    x = 4,298.95

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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.