Home / 2,587.18-3,874.74-1,892.11

Finding the Fourth Proportional to 2,587.18, 3,874.74 and 1,892.11

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Solution

The fourth proportional to 2,587.18, 3,874.74 and 1,892.11 is: 2,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.18 : 3,874.74 = 1,892.11 : x
  2. Step 2: Convert to fraction form
    2,587.18/3,874.74 = 1,892.11/x
  3. Step 3: Cross multiply
    2,587.18x = 3,874.74 × 1,892.11
  4. Step 4: Simplify right side
    2,587.18x = 7,331,434.30
  5. Step 5: Solve for x
    x = 7,331,434.30/2,587.18
  6. Step 6: Final answer
    x = 2,833.76

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1.5x scale

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.