Home / 3,885.21-5,358.29-2,625.93

Finding the Fourth Proportional to 3,885.21, 5,358.29 and 2,625.93

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Solution

The fourth proportional to 3,885.21, 5,358.29 and 2,625.93 is: 3,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.21 : 5,358.29 = 2,625.93 : x
  2. Step 2: Convert to fraction form
    3,885.21/5,358.29 = 2,625.93/x
  3. Step 3: Cross multiply
    3,885.21x = 5,358.29 × 2,625.93
  4. Step 4: Simplify right side
    3,885.21x = 14,070,481.33
  5. Step 5: Solve for x
    x = 14,070,481.33/3,885.21
  6. Step 6: Final answer
    x = 3,621.55

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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.