Home / 5,009.63-6,912.71-2,771.19

Finding the Fourth Proportional to 5,009.63, 6,912.71 and 2,771.19

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Solution

The fourth proportional to 5,009.63, 6,912.71 and 2,771.19 is: 3,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.63 : 6,912.71 = 2,771.19 : x
  2. Step 2: Convert to fraction form
    5,009.63/6,912.71 = 2,771.19/x
  3. Step 3: Cross multiply
    5,009.63x = 6,912.71 × 2,771.19
  4. Step 4: Simplify right side
    5,009.63x = 19,156,439.75
  5. Step 5: Solve for x
    x = 19,156,439.75/5,009.63
  6. Step 6: Final answer
    x = 3,823.93

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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.