Home / 3,134.90-4,326.15-1,876.01

Finding the Fourth Proportional to 3,134.90, 4,326.15 and 1,876.01

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Solution

The fourth proportional to 3,134.90, 4,326.15 and 1,876.01 is: 2,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.90 : 4,326.15 = 1,876.01 : x
  2. Step 2: Convert to fraction form
    3,134.90/4,326.15 = 1,876.01/x
  3. Step 3: Cross multiply
    3,134.90x = 4,326.15 × 1,876.01
  4. Step 4: Simplify right side
    3,134.90x = 8,115,879.03
  5. Step 5: Solve for x
    x = 8,115,879.03/3,134.90
  6. Step 6: Final answer
    x = 2,588.88

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1.5x scale

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.