Home / 2,331.18-3,215.43-1,491.52

Finding the Fourth Proportional to 2,331.18, 3,215.43 and 1,491.52

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Solution

The fourth proportional to 2,331.18, 3,215.43 and 1,491.52 is: 2,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.18 : 3,215.43 = 1,491.52 : x
  2. Step 2: Convert to fraction form
    2,331.18/3,215.43 = 1,491.52/x
  3. Step 3: Cross multiply
    2,331.18x = 3,215.43 × 1,491.52
  4. Step 4: Simplify right side
    2,331.18x = 4,795,878.15
  5. Step 5: Solve for x
    x = 4,795,878.15/2,331.18
  6. Step 6: Final answer
    x = 2,057.27

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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.