Home / 1,975.11-2,962.66-1,110.03

Finding the Fourth Proportional to 1,975.11, 2,962.66 and 1,110.03

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Solution

The fourth proportional to 1,975.11, 2,962.66 and 1,110.03 is: 1,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.11 : 2,962.66 = 1,110.03 : x
  2. Step 2: Convert to fraction form
    1,975.11/2,962.66 = 1,110.03/x
  3. Step 3: Cross multiply
    1,975.11x = 2,962.66 × 1,110.03
  4. Step 4: Simplify right side
    1,975.11x = 3,288,641.48
  5. Step 5: Solve for x
    x = 3,288,641.48/1,975.11
  6. Step 6: Final answer
    x = 1,665.04

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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.