Home / 3,173.48-4,370.34-2,856.04

Finding the Fourth Proportional to 3,173.48, 4,370.34 and 2,856.04

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Solution

The fourth proportional to 3,173.48, 4,370.34 and 2,856.04 is: 3,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.48 : 4,370.34 = 2,856.04 : x
  2. Step 2: Convert to fraction form
    3,173.48/4,370.34 = 2,856.04/x
  3. Step 3: Cross multiply
    3,173.48x = 4,370.34 × 2,856.04
  4. Step 4: Simplify right side
    3,173.48x = 12,481,865.85
  5. Step 5: Solve for x
    x = 12,481,865.85/3,173.48
  6. Step 6: Final answer
    x = 3,933.18

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1.5x scale

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.