Home / 5,620.24-7,755.55-3,102.36

Finding the Fourth Proportional to 5,620.24, 7,755.55 and 3,102.36

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Solution

The fourth proportional to 5,620.24, 7,755.55 and 3,102.36 is: 4,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.24 : 7,755.55 = 3,102.36 : x
  2. Step 2: Convert to fraction form
    5,620.24/7,755.55 = 3,102.36/x
  3. Step 3: Cross multiply
    5,620.24x = 7,755.55 × 3,102.36
  4. Step 4: Simplify right side
    5,620.24x = 24,060,508.10
  5. Step 5: Solve for x
    x = 24,060,508.10/5,620.24
  6. Step 6: Final answer
    x = 4,281.05

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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.