Home / 5,633.16-7,773.60-3,115.28

Finding the Fourth Proportional to 5,633.16, 7,773.60 and 3,115.28

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Solution

The fourth proportional to 5,633.16, 7,773.60 and 3,115.28 is: 4,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.16 : 7,773.60 = 3,115.28 : x
  2. Step 2: Convert to fraction form
    5,633.16/7,773.60 = 3,115.28/x
  3. Step 3: Cross multiply
    5,633.16x = 7,773.60 × 3,115.28
  4. Step 4: Simplify right side
    5,633.16x = 24,216,940.61
  5. Step 5: Solve for x
    x = 24,216,940.61/5,633.16
  6. Step 6: Final answer
    x = 4,299.00

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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.