Home / 2,819.17-3,890.51-1,700.11

Finding the Fourth Proportional to 2,819.17, 3,890.51 and 1,700.11

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Solution

The fourth proportional to 2,819.17, 3,890.51 and 1,700.11 is: 2,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.17 : 3,890.51 = 1,700.11 : x
  2. Step 2: Convert to fraction form
    2,819.17/3,890.51 = 1,700.11/x
  3. Step 3: Cross multiply
    2,819.17x = 3,890.51 × 1,700.11
  4. Step 4: Simplify right side
    2,819.17x = 6,614,294.96
  5. Step 5: Solve for x
    x = 6,614,294.96/2,819.17
  6. Step 6: Final answer
    x = 2,346.19

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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.