Home / 3,608.88-4,980.48-2,193.56

Finding the Fourth Proportional to 3,608.88, 4,980.48 and 2,193.56

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Solution

The fourth proportional to 3,608.88, 4,980.48 and 2,193.56 is: 3,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.88 : 4,980.48 = 2,193.56 : x
  2. Step 2: Convert to fraction form
    3,608.88/4,980.48 = 2,193.56/x
  3. Step 3: Cross multiply
    3,608.88x = 4,980.48 × 2,193.56
  4. Step 4: Simplify right side
    3,608.88x = 10,924,981.71
  5. Step 5: Solve for x
    x = 10,924,981.71/3,608.88
  6. Step 6: Final answer
    x = 3,027.25

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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.