Home / 5,010.31-6,914.75-2,885.92

Finding the Fourth Proportional to 5,010.31, 6,914.75 and 2,885.92

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Solution

The fourth proportional to 5,010.31, 6,914.75 and 2,885.92 is: 3,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.31 : 6,914.75 = 2,885.92 : x
  2. Step 2: Convert to fraction form
    5,010.31/6,914.75 = 2,885.92/x
  3. Step 3: Cross multiply
    5,010.31x = 6,914.75 × 2,885.92
  4. Step 4: Simplify right side
    5,010.31x = 19,955,415.32
  5. Step 5: Solve for x
    x = 19,955,415.32/5,010.31
  6. Step 6: Final answer
    x = 3,982.87

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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.