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Finding the Fourth Proportional to 3,442.65, 5,161.09 and 1,595.09

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Solution

The fourth proportional to 3,442.65, 5,161.09 and 1,595.09 is: 2,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.65 : 5,161.09 = 1,595.09 : x
  2. Step 2: Convert to fraction form
    3,442.65/5,161.09 = 1,595.09/x
  3. Step 3: Cross multiply
    3,442.65x = 5,161.09 × 1,595.09
  4. Step 4: Simplify right side
    3,442.65x = 8,232,386.78
  5. Step 5: Solve for x
    x = 8,232,386.78/3,442.65
  6. Step 6: Final answer
    x = 2,391.30

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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.