Home / 4,860.42-6,708.70-2,871.70

Finding the Fourth Proportional to 4,860.42, 6,708.70 and 2,871.70

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Solution

The fourth proportional to 4,860.42, 6,708.70 and 2,871.70 is: 3,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.42 : 6,708.70 = 2,871.70 : x
  2. Step 2: Convert to fraction form
    4,860.42/6,708.70 = 2,871.70/x
  3. Step 3: Cross multiply
    4,860.42x = 6,708.70 × 2,871.70
  4. Step 4: Simplify right side
    4,860.42x = 19,265,373.79
  5. Step 5: Solve for x
    x = 19,265,373.79/4,860.42
  6. Step 6: Final answer
    x = 3,963.73

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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.