Home / 3,731.76-5,150.30-2,409.30

Finding the Fourth Proportional to 3,731.76, 5,150.30 and 2,409.30

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Solution

The fourth proportional to 3,731.76, 5,150.30 and 2,409.30 is: 3,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.76 : 5,150.30 = 2,409.30 : x
  2. Step 2: Convert to fraction form
    3,731.76/5,150.30 = 2,409.30/x
  3. Step 3: Cross multiply
    3,731.76x = 5,150.30 × 2,409.30
  4. Step 4: Simplify right side
    3,731.76x = 12,408,605.74
  5. Step 5: Solve for x
    x = 12,408,605.74/3,731.76
  6. Step 6: Final answer
    x = 3,325.13

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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.