Home / 2,961.18-4,438.08-1,500.72

Finding the Fourth Proportional to 2,961.18, 4,438.08 and 1,500.72

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Solution

The fourth proportional to 2,961.18, 4,438.08 and 1,500.72 is: 2,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.18 : 4,438.08 = 1,500.72 : x
  2. Step 2: Convert to fraction form
    2,961.18/4,438.08 = 1,500.72/x
  3. Step 3: Cross multiply
    2,961.18x = 4,438.08 × 1,500.72
  4. Step 4: Simplify right side
    2,961.18x = 6,660,315.42
  5. Step 5: Solve for x
    x = 6,660,315.42/2,961.18
  6. Step 6: Final answer
    x = 2,249.21

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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.