Home / 2,429.46-3,351.78-2,193.75

Finding the Fourth Proportional to 2,429.46, 3,351.78 and 2,193.75

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Solution

The fourth proportional to 2,429.46, 3,351.78 and 2,193.75 is: 3,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.46 : 3,351.78 = 2,193.75 : x
  2. Step 2: Convert to fraction form
    2,429.46/3,351.78 = 2,193.75/x
  3. Step 3: Cross multiply
    2,429.46x = 3,351.78 × 2,193.75
  4. Step 4: Simplify right side
    2,429.46x = 7,352,967.38
  5. Step 5: Solve for x
    x = 7,352,967.38/2,429.46
  6. Step 6: Final answer
    x = 3,026.59

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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.