Home / 3,168.18-4,371.98-1,770.92

Finding the Fourth Proportional to 3,168.18, 4,371.98 and 1,770.92

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Solution

The fourth proportional to 3,168.18, 4,371.98 and 1,770.92 is: 2,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.18 : 4,371.98 = 1,770.92 : x
  2. Step 2: Convert to fraction form
    3,168.18/4,371.98 = 1,770.92/x
  3. Step 3: Cross multiply
    3,168.18x = 4,371.98 × 1,770.92
  4. Step 4: Simplify right side
    3,168.18x = 7,742,426.82
  5. Step 5: Solve for x
    x = 7,742,426.82/3,168.18
  6. Step 6: Final answer
    x = 2,443.81

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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.