Home / 3,438.96-4,744.56-2,260.68

Finding the Fourth Proportional to 3,438.96, 4,744.56 and 2,260.68

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Solution

The fourth proportional to 3,438.96, 4,744.56 and 2,260.68 is: 3,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.96 : 4,744.56 = 2,260.68 : x
  2. Step 2: Convert to fraction form
    3,438.96/4,744.56 = 2,260.68/x
  3. Step 3: Cross multiply
    3,438.96x = 4,744.56 × 2,260.68
  4. Step 4: Simplify right side
    3,438.96x = 10,725,931.90
  5. Step 5: Solve for x
    x = 10,725,931.90/3,438.96
  6. Step 6: Final answer
    x = 3,118.95

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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.