Home / 2,031.12-3,047.76-733.50

Finding the Fourth Proportional to 2,031.12, 3,047.76 and 733.50

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Solution

The fourth proportional to 2,031.12, 3,047.76 and 733.50 is: 1,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.12 : 3,047.76 = 733.50 : x
  2. Step 2: Convert to fraction form
    2,031.12/3,047.76 = 733.50/x
  3. Step 3: Cross multiply
    2,031.12x = 3,047.76 × 733.50
  4. Step 4: Simplify right side
    2,031.12x = 2,235,531.96
  5. Step 5: Solve for x
    x = 2,235,531.96/2,031.12
  6. Step 6: Final answer
    x = 1,100.64

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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.