Home / 3,347.20-5,012.70-3,201.40

Finding the Fourth Proportional to 3,347.20, 5,012.70 and 3,201.40

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Solution

The fourth proportional to 3,347.20, 5,012.70 and 3,201.40 is: 4,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.20 : 5,012.70 = 3,201.40 : x
  2. Step 2: Convert to fraction form
    3,347.20/5,012.70 = 3,201.40/x
  3. Step 3: Cross multiply
    3,347.20x = 5,012.70 × 3,201.40
  4. Step 4: Simplify right side
    3,347.20x = 16,047,657.78
  5. Step 5: Solve for x
    x = 16,047,657.78/3,347.20
  6. Step 6: Final answer
    x = 4,794.35

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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.