Home / 8,775.40-13,159.26-2,617.96

Finding the Fourth Proportional to 8,775.40, 13,159.26 and 2,617.96

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Solution

The fourth proportional to 8,775.40, 13,159.26 and 2,617.96 is: 3,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.40 : 13,159.26 = 2,617.96 : x
  2. Step 2: Convert to fraction form
    8,775.40/13,159.26 = 2,617.96/x
  3. Step 3: Cross multiply
    8,775.40x = 13,159.26 × 2,617.96
  4. Step 4: Simplify right side
    8,775.40x = 34,450,416.31
  5. Step 5: Solve for x
    x = 34,450,416.31/8,775.40
  6. Step 6: Final answer
    x = 3,925.79

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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.