Home / 2,625.28-3,917.60-2,334.40

Finding the Fourth Proportional to 2,625.28, 3,917.60 and 2,334.40

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Solution

The fourth proportional to 2,625.28, 3,917.60 and 2,334.40 is: 3,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.28 : 3,917.60 = 2,334.40 : x
  2. Step 2: Convert to fraction form
    2,625.28/3,917.60 = 2,334.40/x
  3. Step 3: Cross multiply
    2,625.28x = 3,917.60 × 2,334.40
  4. Step 4: Simplify right side
    2,625.28x = 9,145,245.44
  5. Step 5: Solve for x
    x = 9,145,245.44/2,625.28
  6. Step 6: Final answer
    x = 3,483.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.