Home / 2,331.76-3,217.36-1,772.08

Finding the Fourth Proportional to 2,331.76, 3,217.36 and 1,772.08

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Solution

The fourth proportional to 2,331.76, 3,217.36 and 1,772.08 is: 2,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.76 : 3,217.36 = 1,772.08 : x
  2. Step 2: Convert to fraction form
    2,331.76/3,217.36 = 1,772.08/x
  3. Step 3: Cross multiply
    2,331.76x = 3,217.36 × 1,772.08
  4. Step 4: Simplify right side
    2,331.76x = 5,701,419.31
  5. Step 5: Solve for x
    x = 5,701,419.31/2,331.76
  6. Step 6: Final answer
    x = 2,445.11

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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.