Home / 5,068.15-6,992.81-2,971.87

Finding the Fourth Proportional to 5,068.15, 6,992.81 and 2,971.87

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Solution

The fourth proportional to 5,068.15, 6,992.81 and 2,971.87 is: 4,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.15 : 6,992.81 = 2,971.87 : x
  2. Step 2: Convert to fraction form
    5,068.15/6,992.81 = 2,971.87/x
  3. Step 3: Cross multiply
    5,068.15x = 6,992.81 × 2,971.87
  4. Step 4: Simplify right side
    5,068.15x = 20,781,722.25
  5. Step 5: Solve for x
    x = 20,781,722.25/5,068.15
  6. Step 6: Final answer
    x = 4,100.46

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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.