Home / 1,966.01-2,712.98-1,126.53

Finding the Fourth Proportional to 1,966.01, 2,712.98 and 1,126.53

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Solution

The fourth proportional to 1,966.01, 2,712.98 and 1,126.53 is: 1,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.01 : 2,712.98 = 1,126.53 : x
  2. Step 2: Convert to fraction form
    1,966.01/2,712.98 = 1,126.53/x
  3. Step 3: Cross multiply
    1,966.01x = 2,712.98 × 1,126.53
  4. Step 4: Simplify right side
    1,966.01x = 3,056,247.73
  5. Step 5: Solve for x
    x = 3,056,247.73/1,966.01
  6. Step 6: Final answer
    x = 1,554.55

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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.