Home / 3,412.07-5,114.55-1,743.11

Finding the Fourth Proportional to 3,412.07, 5,114.55 and 1,743.11

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Solution

The fourth proportional to 3,412.07, 5,114.55 and 1,743.11 is: 2,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.07 : 5,114.55 = 1,743.11 : x
  2. Step 2: Convert to fraction form
    3,412.07/5,114.55 = 1,743.11/x
  3. Step 3: Cross multiply
    3,412.07x = 5,114.55 × 1,743.11
  4. Step 4: Simplify right side
    3,412.07x = 8,915,223.25
  5. Step 5: Solve for x
    x = 8,915,223.25/3,412.07
  6. Step 6: Final answer
    x = 2,612.85

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1.5x scale

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.