Home / 2,981.58-4,472.37-1,132.26

Finding the Fourth Proportional to 2,981.58, 4,472.37 and 1,132.26

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Solution

The fourth proportional to 2,981.58, 4,472.37 and 1,132.26 is: 1,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.58 : 4,472.37 = 1,132.26 : x
  2. Step 2: Convert to fraction form
    2,981.58/4,472.37 = 1,132.26/x
  3. Step 3: Cross multiply
    2,981.58x = 4,472.37 × 1,132.26
  4. Step 4: Simplify right side
    2,981.58x = 5,063,885.66
  5. Step 5: Solve for x
    x = 5,063,885.66/2,981.58
  6. Step 6: Final answer
    x = 1,698.39

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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.