Home / 1,811.61-2,714.22-1,548.95

Finding the Fourth Proportional to 1,811.61, 2,714.22 and 1,548.95

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Solution

The fourth proportional to 1,811.61, 2,714.22 and 1,548.95 is: 2,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.61 : 2,714.22 = 1,548.95 : x
  2. Step 2: Convert to fraction form
    1,811.61/2,714.22 = 1,548.95/x
  3. Step 3: Cross multiply
    1,811.61x = 2,714.22 × 1,548.95
  4. Step 4: Simplify right side
    1,811.61x = 4,204,177.50
  5. Step 5: Solve for x
    x = 4,204,177.50/1,811.61
  6. Step 6: Final answer
    x = 2,320.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.