Home / 5,342.20-7,372.36-2,984.35

Finding the Fourth Proportional to 5,342.20, 7,372.36 and 2,984.35

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Solution

The fourth proportional to 5,342.20, 7,372.36 and 2,984.35 is: 4,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.20 : 7,372.36 = 2,984.35 : x
  2. Step 2: Convert to fraction form
    5,342.20/7,372.36 = 2,984.35/x
  3. Step 3: Cross multiply
    5,342.20x = 7,372.36 × 2,984.35
  4. Step 4: Simplify right side
    5,342.20x = 22,001,702.57
  5. Step 5: Solve for x
    x = 22,001,702.57/5,342.20
  6. Step 6: Final answer
    x = 4,118.47

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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.