Home / 5,415.48-8,122.05-2,294.46

Finding the Fourth Proportional to 5,415.48, 8,122.05 and 2,294.46

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Solution

The fourth proportional to 5,415.48, 8,122.05 and 2,294.46 is: 3,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.48 : 8,122.05 = 2,294.46 : x
  2. Step 2: Convert to fraction form
    5,415.48/8,122.05 = 2,294.46/x
  3. Step 3: Cross multiply
    5,415.48x = 8,122.05 × 2,294.46
  4. Step 4: Simplify right side
    5,415.48x = 18,635,718.84
  5. Step 5: Solve for x
    x = 18,635,718.84/5,415.48
  6. Step 6: Final answer
    x = 3,441.19

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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.