Home / 5,070.92-6,996.56-3,081.51

Finding the Fourth Proportional to 5,070.92, 6,996.56 and 3,081.51

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Solution

The fourth proportional to 5,070.92, 6,996.56 and 3,081.51 is: 4,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.92 : 6,996.56 = 3,081.51 : x
  2. Step 2: Convert to fraction form
    5,070.92/6,996.56 = 3,081.51/x
  3. Step 3: Cross multiply
    5,070.92x = 6,996.56 × 3,081.51
  4. Step 4: Simplify right side
    5,070.92x = 21,559,954.20
  5. Step 5: Solve for x
    x = 21,559,954.20/5,070.92
  6. Step 6: Final answer
    x = 4,251.69

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1.5x scale

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.