Home / 2,591.02-3,881.35-1,767.25

Finding the Fourth Proportional to 2,591.02, 3,881.35 and 1,767.25

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Solution

The fourth proportional to 2,591.02, 3,881.35 and 1,767.25 is: 2,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.02 : 3,881.35 = 1,767.25 : x
  2. Step 2: Convert to fraction form
    2,591.02/3,881.35 = 1,767.25/x
  3. Step 3: Cross multiply
    2,591.02x = 3,881.35 × 1,767.25
  4. Step 4: Simplify right side
    2,591.02x = 6,859,315.79
  5. Step 5: Solve for x
    x = 6,859,315.79/2,591.02
  6. Step 6: Final answer
    x = 2,647.34

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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.