Home / 5,009.61-6,912.73-2,771.13

Finding the Fourth Proportional to 5,009.61, 6,912.73 and 2,771.13

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Solution

The fourth proportional to 5,009.61, 6,912.73 and 2,771.13 is: 3,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.61 : 6,912.73 = 2,771.13 : x
  2. Step 2: Convert to fraction form
    5,009.61/6,912.73 = 2,771.13/x
  3. Step 3: Cross multiply
    5,009.61x = 6,912.73 × 2,771.13
  4. Step 4: Simplify right side
    5,009.61x = 19,156,073.48
  5. Step 5: Solve for x
    x = 19,156,073.48/5,009.61
  6. Step 6: Final answer
    x = 3,823.87

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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.