Home / 5,072.31-7,615.53-2,608.92

Finding the Fourth Proportional to 5,072.31, 7,615.53 and 2,608.92

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Solution

The fourth proportional to 5,072.31, 7,615.53 and 2,608.92 is: 3,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.31 : 7,615.53 = 2,608.92 : x
  2. Step 2: Convert to fraction form
    5,072.31/7,615.53 = 2,608.92/x
  3. Step 3: Cross multiply
    5,072.31x = 7,615.53 × 2,608.92
  4. Step 4: Simplify right side
    5,072.31x = 19,868,308.53
  5. Step 5: Solve for x
    x = 19,868,308.53/5,072.31
  6. Step 6: Final answer
    x = 3,917.01

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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.