Home / 5,132.72-7,701.10-2,669.08

Finding the Fourth Proportional to 5,132.72, 7,701.10 and 2,669.08

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Solution

The fourth proportional to 5,132.72, 7,701.10 and 2,669.08 is: 4,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.72 : 7,701.10 = 2,669.08 : x
  2. Step 2: Convert to fraction form
    5,132.72/7,701.10 = 2,669.08/x
  3. Step 3: Cross multiply
    5,132.72x = 7,701.10 × 2,669.08
  4. Step 4: Simplify right side
    5,132.72x = 20,554,851.99
  5. Step 5: Solve for x
    x = 20,554,851.99/5,132.72
  6. Step 6: Final answer
    x = 4,004.67

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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.