Home / 3,443.18-4,751.28-1,951.16

Finding the Fourth Proportional to 3,443.18, 4,751.28 and 1,951.16

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Solution

The fourth proportional to 3,443.18, 4,751.28 and 1,951.16 is: 2,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.18 : 4,751.28 = 1,951.16 : x
  2. Step 2: Convert to fraction form
    3,443.18/4,751.28 = 1,951.16/x
  3. Step 3: Cross multiply
    3,443.18x = 4,751.28 × 1,951.16
  4. Step 4: Simplify right side
    3,443.18x = 9,270,507.48
  5. Step 5: Solve for x
    x = 9,270,507.48/3,443.18
  6. Step 6: Final answer
    x = 2,692.43

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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.