Home / 3,412.69-4,708.47-2,084.98

Finding the Fourth Proportional to 3,412.69, 4,708.47 and 2,084.98

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Solution

The fourth proportional to 3,412.69, 4,708.47 and 2,084.98 is: 2,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.69 : 4,708.47 = 2,084.98 : x
  2. Step 2: Convert to fraction form
    3,412.69/4,708.47 = 2,084.98/x
  3. Step 3: Cross multiply
    3,412.69x = 4,708.47 × 2,084.98
  4. Step 4: Simplify right side
    3,412.69x = 9,817,065.78
  5. Step 5: Solve for x
    x = 9,817,065.78/3,412.69
  6. Step 6: Final answer
    x = 2,876.64

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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.