Home / 3,351.15-5,019.40-1,616.13

Finding the Fourth Proportional to 3,351.15, 5,019.40 and 1,616.13

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Solution

The fourth proportional to 3,351.15, 5,019.40 and 1,616.13 is: 2,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.15 : 5,019.40 = 1,616.13 : x
  2. Step 2: Convert to fraction form
    3,351.15/5,019.40 = 1,616.13/x
  3. Step 3: Cross multiply
    3,351.15x = 5,019.40 × 1,616.13
  4. Step 4: Simplify right side
    3,351.15x = 8,112,002.92
  5. Step 5: Solve for x
    x = 8,112,002.92/3,351.15
  6. Step 6: Final answer
    x = 2,420.66

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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.