Home / 5,181.67-7,776.09-2,061.35

Finding the Fourth Proportional to 5,181.67, 7,776.09 and 2,061.35

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Solution

The fourth proportional to 5,181.67, 7,776.09 and 2,061.35 is: 3,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.67 : 7,776.09 = 2,061.35 : x
  2. Step 2: Convert to fraction form
    5,181.67/7,776.09 = 2,061.35/x
  3. Step 3: Cross multiply
    5,181.67x = 7,776.09 × 2,061.35
  4. Step 4: Simplify right side
    5,181.67x = 16,029,243.12
  5. Step 5: Solve for x
    x = 16,029,243.12/5,181.67
  6. Step 6: Final answer
    x = 3,093.45

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1.5x scale

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.