Home / 8,775.16-13,164.82-2,619

Finding the Fourth Proportional to 8,775.16, 13,164.82 and 2,619

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Solution

The fourth proportional to 8,775.16, 13,164.82 and 2,619 is: 3,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.16 : 13,164.82 = 2,619 : x
  2. Step 2: Convert to fraction form
    8,775.16/13,164.82 = 2,619/x
  3. Step 3: Cross multiply
    8,775.16x = 13,164.82 × 2,619
  4. Step 4: Simplify right side
    8,775.16x = 34,478,663.58
  5. Step 5: Solve for x
    x = 34,478,663.58/8,775.16
  6. Step 6: Final answer
    x = 3,929.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.