Home / 3,168.18-4,371.57-1,770.66

Finding the Fourth Proportional to 3,168.18, 4,371.57 and 1,770.66

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Solution

The fourth proportional to 3,168.18, 4,371.57 and 1,770.66 is: 2,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.18 : 4,371.57 = 1,770.66 : x
  2. Step 2: Convert to fraction form
    3,168.18/4,371.57 = 1,770.66/x
  3. Step 3: Cross multiply
    3,168.18x = 4,371.57 × 1,770.66
  4. Step 4: Simplify right side
    3,168.18x = 7,740,564.14
  5. Step 5: Solve for x
    x = 7,740,564.14/3,168.18
  6. Step 6: Final answer
    x = 2,443.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.