Home / 3,153.52-4,351.56-1,894.96

Finding the Fourth Proportional to 3,153.52, 4,351.56 and 1,894.96

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Solution

The fourth proportional to 3,153.52, 4,351.56 and 1,894.96 is: 2,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.52 : 4,351.56 = 1,894.96 : x
  2. Step 2: Convert to fraction form
    3,153.52/4,351.56 = 1,894.96/x
  3. Step 3: Cross multiply
    3,153.52x = 4,351.56 × 1,894.96
  4. Step 4: Simplify right side
    3,153.52x = 8,246,032.14
  5. Step 5: Solve for x
    x = 8,246,032.14/3,153.52
  6. Step 6: Final answer
    x = 2,614.87

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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.