Home / 2,712.23-4,070.01-1,251.49

Finding the Fourth Proportional to 2,712.23, 4,070.01 and 1,251.49

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Solution

The fourth proportional to 2,712.23, 4,070.01 and 1,251.49 is: 1,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.23 : 4,070.01 = 1,251.49 : x
  2. Step 2: Convert to fraction form
    2,712.23/4,070.01 = 1,251.49/x
  3. Step 3: Cross multiply
    2,712.23x = 4,070.01 × 1,251.49
  4. Step 4: Simplify right side
    2,712.23x = 5,093,550.21
  5. Step 5: Solve for x
    x = 5,093,550.21/2,712.23
  6. Step 6: Final answer
    x = 1,878.00

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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.