Home / 2,760.19-3,808.67-1,625.20

Finding the Fourth Proportional to 2,760.19, 3,808.67 and 1,625.20

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Solution

The fourth proportional to 2,760.19, 3,808.67 and 1,625.20 is: 2,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.19 : 3,808.67 = 1,625.20 : x
  2. Step 2: Convert to fraction form
    2,760.19/3,808.67 = 1,625.20/x
  3. Step 3: Cross multiply
    2,760.19x = 3,808.67 × 1,625.20
  4. Step 4: Simplify right side
    2,760.19x = 6,189,841.98
  5. Step 5: Solve for x
    x = 6,189,841.98/2,760.19
  6. Step 6: Final answer
    x = 2,242.54

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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.