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Finding the Fourth Proportional to 2,860.97, 3,946.98 and 1,741.01

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Solution

The fourth proportional to 2,860.97, 3,946.98 and 1,741.01 is: 2,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.97 : 3,946.98 = 1,741.01 : x
  2. Step 2: Convert to fraction form
    2,860.97/3,946.98 = 1,741.01/x
  3. Step 3: Cross multiply
    2,860.97x = 3,946.98 × 1,741.01
  4. Step 4: Simplify right side
    2,860.97x = 6,871,731.65
  5. Step 5: Solve for x
    x = 6,871,731.65/2,860.97
  6. Step 6: Final answer
    x = 2,401.89

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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.