Home / 7,327.12-10,110-4,182.16

Finding the Fourth Proportional to 7,327.12, 10,110 and 4,182.16

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Solution

The fourth proportional to 7,327.12, 10,110 and 4,182.16 is: 5,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.12 : 10,110 = 4,182.16 : x
  2. Step 2: Convert to fraction form
    7,327.12/10,110 = 4,182.16/x
  3. Step 3: Cross multiply
    7,327.12x = 10,110 × 4,182.16
  4. Step 4: Simplify right side
    7,327.12x = 42,281,637.60
  5. Step 5: Solve for x
    x = 42,281,637.60/7,327.12
  6. Step 6: Final answer
    x = 5,770.57

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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.