Home / 4,629.20-6,945.40-2,031.76

Finding the Fourth Proportional to 4,629.20, 6,945.40 and 2,031.76

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Solution

The fourth proportional to 4,629.20, 6,945.40 and 2,031.76 is: 3,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.20 : 6,945.40 = 2,031.76 : x
  2. Step 2: Convert to fraction form
    4,629.20/6,945.40 = 2,031.76/x
  3. Step 3: Cross multiply
    4,629.20x = 6,945.40 × 2,031.76
  4. Step 4: Simplify right side
    4,629.20x = 14,111,385.90
  5. Step 5: Solve for x
    x = 14,111,385.90/4,629.20
  6. Step 6: Final answer
    x = 3,048.34

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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.