Home / 4,765.15-7,132.21-4,310.42

Finding the Fourth Proportional to 4,765.15, 7,132.21 and 4,310.42

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Solution

The fourth proportional to 4,765.15, 7,132.21 and 4,310.42 is: 6,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.15 : 7,132.21 = 4,310.42 : x
  2. Step 2: Convert to fraction form
    4,765.15/7,132.21 = 4,310.42/x
  3. Step 3: Cross multiply
    4,765.15x = 7,132.21 × 4,310.42
  4. Step 4: Simplify right side
    4,765.15x = 30,742,827.68
  5. Step 5: Solve for x
    x = 30,742,827.68/4,765.15
  6. Step 6: Final answer
    x = 6,451.60

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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.