Home / 1,885.30-2,601.19-1,177.86

Finding the Fourth Proportional to 1,885.30, 2,601.19 and 1,177.86

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Solution

The fourth proportional to 1,885.30, 2,601.19 and 1,177.86 is: 1,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.30 : 2,601.19 = 1,177.86 : x
  2. Step 2: Convert to fraction form
    1,885.30/2,601.19 = 1,177.86/x
  3. Step 3: Cross multiply
    1,885.30x = 2,601.19 × 1,177.86
  4. Step 4: Simplify right side
    1,885.30x = 3,063,849.11
  5. Step 5: Solve for x
    x = 3,063,849.11/1,885.30
  6. Step 6: Final answer
    x = 1,625.12

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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.