Home / 4,749.10-7,123.65-3,193.90

Finding the Fourth Proportional to 4,749.10, 7,123.65 and 3,193.90

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Solution

The fourth proportional to 4,749.10, 7,123.65 and 3,193.90 is: 4,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.10 : 7,123.65 = 3,193.90 : x
  2. Step 2: Convert to fraction form
    4,749.10/7,123.65 = 3,193.90/x
  3. Step 3: Cross multiply
    4,749.10x = 7,123.65 × 3,193.90
  4. Step 4: Simplify right side
    4,749.10x = 22,752,225.74
  5. Step 5: Solve for x
    x = 22,752,225.74/4,749.10
  6. Step 6: Final answer
    x = 4,790.85

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1.5x scale

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.