Home / 7,752.12-11,631.29-2,822.10

Finding the Fourth Proportional to 7,752.12, 11,631.29 and 2,822.10

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Solution

The fourth proportional to 7,752.12, 11,631.29 and 2,822.10 is: 4,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.12 : 11,631.29 = 2,822.10 : x
  2. Step 2: Convert to fraction form
    7,752.12/11,631.29 = 2,822.10/x
  3. Step 3: Cross multiply
    7,752.12x = 11,631.29 × 2,822.10
  4. Step 4: Simplify right side
    7,752.12x = 32,824,649.40
  5. Step 5: Solve for x
    x = 32,824,649.40/7,752.12
  6. Step 6: Final answer
    x = 4,234.28

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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.