Home / 2,412.12-3,616.96-1,114.52

Finding the Fourth Proportional to 2,412.12, 3,616.96 and 1,114.52

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Solution

The fourth proportional to 2,412.12, 3,616.96 and 1,114.52 is: 1,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.12 : 3,616.96 = 1,114.52 : x
  2. Step 2: Convert to fraction form
    2,412.12/3,616.96 = 1,114.52/x
  3. Step 3: Cross multiply
    2,412.12x = 3,616.96 × 1,114.52
  4. Step 4: Simplify right side
    2,412.12x = 4,031,174.26
  5. Step 5: Solve for x
    x = 4,031,174.26/2,412.12
  6. Step 6: Final answer
    x = 1,671.22

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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.