Home / 2,164.18-3,245.54-702.97

Finding the Fourth Proportional to 2,164.18, 3,245.54 and 702.97

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Solution

The fourth proportional to 2,164.18, 3,245.54 and 702.97 is: 1,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.18 : 3,245.54 = 702.97 : x
  2. Step 2: Convert to fraction form
    2,164.18/3,245.54 = 702.97/x
  3. Step 3: Cross multiply
    2,164.18x = 3,245.54 × 702.97
  4. Step 4: Simplify right side
    2,164.18x = 2,281,513.74
  5. Step 5: Solve for x
    x = 2,281,513.74/2,164.18
  6. Step 6: Final answer
    x = 1,054.22

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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.