Home / 3,850.02-5,781.51-2,518.07

Finding the Fourth Proportional to 3,850.02, 5,781.51 and 2,518.07

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Solution

The fourth proportional to 3,850.02, 5,781.51 and 2,518.07 is: 3,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.02 : 5,781.51 = 2,518.07 : x
  2. Step 2: Convert to fraction form
    3,850.02/5,781.51 = 2,518.07/x
  3. Step 3: Cross multiply
    3,850.02x = 5,781.51 × 2,518.07
  4. Step 4: Simplify right side
    3,850.02x = 14,558,217.98
  5. Step 5: Solve for x
    x = 14,558,217.98/3,850.02
  6. Step 6: Final answer
    x = 3,781.34

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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.