Home / 5,432.12-8,147.70-2,968.04

Finding the Fourth Proportional to 5,432.12, 8,147.70 and 2,968.04

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Solution

The fourth proportional to 5,432.12, 8,147.70 and 2,968.04 is: 4,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.12 : 8,147.70 = 2,968.04 : x
  2. Step 2: Convert to fraction form
    5,432.12/8,147.70 = 2,968.04/x
  3. Step 3: Cross multiply
    5,432.12x = 8,147.70 × 2,968.04
  4. Step 4: Simplify right side
    5,432.12x = 24,182,699.51
  5. Step 5: Solve for x
    x = 24,182,699.51/5,432.12
  6. Step 6: Final answer
    x = 4,451.80

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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.