Home / 5,562.16-7,676.64-3,172.14

Finding the Fourth Proportional to 5,562.16, 7,676.64 and 3,172.14

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Solution

The fourth proportional to 5,562.16, 7,676.64 and 3,172.14 is: 4,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.16 : 7,676.64 = 3,172.14 : x
  2. Step 2: Convert to fraction form
    5,562.16/7,676.64 = 3,172.14/x
  3. Step 3: Cross multiply
    5,562.16x = 7,676.64 × 3,172.14
  4. Step 4: Simplify right side
    5,562.16x = 24,351,376.81
  5. Step 5: Solve for x
    x = 24,351,376.81/5,562.16
  6. Step 6: Final answer
    x = 4,378.04

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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.