Home / 5,376.16-7,422.60-3,281.50

Finding the Fourth Proportional to 5,376.16, 7,422.60 and 3,281.50

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Solution

The fourth proportional to 5,376.16, 7,422.60 and 3,281.50 is: 4,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.16 : 7,422.60 = 3,281.50 : x
  2. Step 2: Convert to fraction form
    5,376.16/7,422.60 = 3,281.50/x
  3. Step 3: Cross multiply
    5,376.16x = 7,422.60 × 3,281.50
  4. Step 4: Simplify right side
    5,376.16x = 24,357,261.90
  5. Step 5: Solve for x
    x = 24,357,261.90/5,376.16
  6. Step 6: Final answer
    x = 4,530.61

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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.