Home / 2,114.12-3,170.94-575.08

Finding the Fourth Proportional to 2,114.12, 3,170.94 and 575.08

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Solution

The fourth proportional to 2,114.12, 3,170.94 and 575.08 is: 862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.12 : 3,170.94 = 575.08 : x
  2. Step 2: Convert to fraction form
    2,114.12/3,170.94 = 575.08/x
  3. Step 3: Cross multiply
    2,114.12x = 3,170.94 × 575.08
  4. Step 4: Simplify right side
    2,114.12x = 1,823,544.18
  5. Step 5: Solve for x
    x = 1,823,544.18/2,114.12
  6. Step 6: Final answer
    x = 862.55

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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.