Home / 3,156.60-4,355.46-2,409.24

Finding the Fourth Proportional to 3,156.60, 4,355.46 and 2,409.24

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Solution

The fourth proportional to 3,156.60, 4,355.46 and 2,409.24 is: 3,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.60 : 4,355.46 = 2,409.24 : x
  2. Step 2: Convert to fraction form
    3,156.60/4,355.46 = 2,409.24/x
  3. Step 3: Cross multiply
    3,156.60x = 4,355.46 × 2,409.24
  4. Step 4: Simplify right side
    3,156.60x = 10,493,348.45
  5. Step 5: Solve for x
    x = 10,493,348.45/3,156.60
  6. Step 6: Final answer
    x = 3,324.26

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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.