Home / 7,031.75-9,704.79-4,047.53

Finding the Fourth Proportional to 7,031.75, 9,704.79 and 4,047.53

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Solution

The fourth proportional to 7,031.75, 9,704.79 and 4,047.53 is: 5,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.75 : 9,704.79 = 4,047.53 : x
  2. Step 2: Convert to fraction form
    7,031.75/9,704.79 = 4,047.53/x
  3. Step 3: Cross multiply
    7,031.75x = 9,704.79 × 4,047.53
  4. Step 4: Simplify right side
    7,031.75x = 39,280,428.67
  5. Step 5: Solve for x
    x = 39,280,428.67/7,031.75
  6. Step 6: Final answer
    x = 5,586.15

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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.