Home / 4,073.14-6,105.25-1,988.47

Finding the Fourth Proportional to 4,073.14, 6,105.25 and 1,988.47

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Solution

The fourth proportional to 4,073.14, 6,105.25 and 1,988.47 is: 2,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.14 : 6,105.25 = 1,988.47 : x
  2. Step 2: Convert to fraction form
    4,073.14/6,105.25 = 1,988.47/x
  3. Step 3: Cross multiply
    4,073.14x = 6,105.25 × 1,988.47
  4. Step 4: Simplify right side
    4,073.14x = 12,140,106.47
  5. Step 5: Solve for x
    x = 12,140,106.47/4,073.14
  6. Step 6: Final answer
    x = 2,980.53

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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.