Home / 5,680.33-7,836.14-3,321

Finding the Fourth Proportional to 5,680.33, 7,836.14 and 3,321

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Solution

The fourth proportional to 5,680.33, 7,836.14 and 3,321 is: 4,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.33 : 7,836.14 = 3,321 : x
  2. Step 2: Convert to fraction form
    5,680.33/7,836.14 = 3,321/x
  3. Step 3: Cross multiply
    5,680.33x = 7,836.14 × 3,321
  4. Step 4: Simplify right side
    5,680.33x = 26,023,829.24
  5. Step 5: Solve for x
    x = 26,023,829.24/5,680.33
  6. Step 6: Final answer
    x = 4,581.40

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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.