Home / 5,385.41-7,432.53-3,027.50

Finding the Fourth Proportional to 5,385.41, 7,432.53 and 3,027.50

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Solution

The fourth proportional to 5,385.41, 7,432.53 and 3,027.50 is: 4,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.41 : 7,432.53 = 3,027.50 : x
  2. Step 2: Convert to fraction form
    5,385.41/7,432.53 = 3,027.50/x
  3. Step 3: Cross multiply
    5,385.41x = 7,432.53 × 3,027.50
  4. Step 4: Simplify right side
    5,385.41x = 22,501,984.58
  5. Step 5: Solve for x
    x = 22,501,984.58/5,385.41
  6. Step 6: Final answer
    x = 4,178.32

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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.