Home / 1,712.71-2,363.56-1,082.58

Finding the Fourth Proportional to 1,712.71, 2,363.56 and 1,082.58

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Solution

The fourth proportional to 1,712.71, 2,363.56 and 1,082.58 is: 1,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.71 : 2,363.56 = 1,082.58 : x
  2. Step 2: Convert to fraction form
    1,712.71/2,363.56 = 1,082.58/x
  3. Step 3: Cross multiply
    1,712.71x = 2,363.56 × 1,082.58
  4. Step 4: Simplify right side
    1,712.71x = 2,558,750.60
  5. Step 5: Solve for x
    x = 2,558,750.60/1,712.71
  6. Step 6: Final answer
    x = 1,493.98

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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.