Home / 2,686.72-4,032.44-2,250.68

Finding the Fourth Proportional to 2,686.72, 4,032.44 and 2,250.68

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Solution

The fourth proportional to 2,686.72, 4,032.44 and 2,250.68 is: 3,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.72 : 4,032.44 = 2,250.68 : x
  2. Step 2: Convert to fraction form
    2,686.72/4,032.44 = 2,250.68/x
  3. Step 3: Cross multiply
    2,686.72x = 4,032.44 × 2,250.68
  4. Step 4: Simplify right side
    2,686.72x = 9,075,732.06
  5. Step 5: Solve for x
    x = 9,075,732.06/2,686.72
  6. Step 6: Final answer
    x = 3,378.00

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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.