Home / 2,031.53-3,047.30-1,302.53

Finding the Fourth Proportional to 2,031.53, 3,047.30 and 1,302.53

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Solution

The fourth proportional to 2,031.53, 3,047.30 and 1,302.53 is: 1,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.53 : 3,047.30 = 1,302.53 : x
  2. Step 2: Convert to fraction form
    2,031.53/3,047.30 = 1,302.53/x
  3. Step 3: Cross multiply
    2,031.53x = 3,047.30 × 1,302.53
  4. Step 4: Simplify right side
    2,031.53x = 3,969,177.92
  5. Step 5: Solve for x
    x = 3,969,177.92/2,031.53
  6. Step 6: Final answer
    x = 1,953.79

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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.