Home / 5,415.24-8,083.68-4,759.14

Finding the Fourth Proportional to 5,415.24, 8,083.68 and 4,759.14

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Solution

The fourth proportional to 5,415.24, 8,083.68 and 4,759.14 is: 7,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.24 : 8,083.68 = 4,759.14 : x
  2. Step 2: Convert to fraction form
    5,415.24/8,083.68 = 4,759.14/x
  3. Step 3: Cross multiply
    5,415.24x = 8,083.68 × 4,759.14
  4. Step 4: Simplify right side
    5,415.24x = 38,471,364.84
  5. Step 5: Solve for x
    x = 38,471,364.84/5,415.24
  6. Step 6: Final answer
    x = 7,104.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.