Home / 3,788.68-5,673.36-3,170.82

Finding the Fourth Proportional to 3,788.68, 5,673.36 and 3,170.82

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Solution

The fourth proportional to 3,788.68, 5,673.36 and 3,170.82 is: 4,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.68 : 5,673.36 = 3,170.82 : x
  2. Step 2: Convert to fraction form
    3,788.68/5,673.36 = 3,170.82/x
  3. Step 3: Cross multiply
    3,788.68x = 5,673.36 × 3,170.82
  4. Step 4: Simplify right side
    3,788.68x = 17,989,203.36
  5. Step 5: Solve for x
    x = 17,989,203.36/3,788.68
  6. Step 6: Final answer
    x = 4,748.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.