Home / 2,385.30-3,290.25-1,500.38

Finding the Fourth Proportional to 2,385.30, 3,290.25 and 1,500.38

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Solution

The fourth proportional to 2,385.30, 3,290.25 and 1,500.38 is: 2,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.30 : 3,290.25 = 1,500.38 : x
  2. Step 2: Convert to fraction form
    2,385.30/3,290.25 = 1,500.38/x
  3. Step 3: Cross multiply
    2,385.30x = 3,290.25 × 1,500.38
  4. Step 4: Simplify right side
    2,385.30x = 4,936,625.30
  5. Step 5: Solve for x
    x = 4,936,625.30/2,385.30
  6. Step 6: Final answer
    x = 2,069.60

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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.