Home / 5,070.15-6,996.92-3,181.81

Finding the Fourth Proportional to 5,070.15, 6,996.92 and 3,181.81

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Solution

The fourth proportional to 5,070.15, 6,996.92 and 3,181.81 is: 4,390.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.15 : 6,996.92 = 3,181.81 : x
  2. Step 2: Convert to fraction form
    5,070.15/6,996.92 = 3,181.81/x
  3. Step 3: Cross multiply
    5,070.15x = 6,996.92 × 3,181.81
  4. Step 4: Simplify right side
    5,070.15x = 22,262,870.03
  5. Step 5: Solve for x
    x = 22,262,870.03/5,070.15
  6. Step 6: Final answer
    x = 4,390.97

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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.