Home / 5,759.10-8,616.84-3,420.36

Finding the Fourth Proportional to 5,759.10, 8,616.84 and 3,420.36

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Solution

The fourth proportional to 5,759.10, 8,616.84 and 3,420.36 is: 5,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.10 : 8,616.84 = 3,420.36 : x
  2. Step 2: Convert to fraction form
    5,759.10/8,616.84 = 3,420.36/x
  3. Step 3: Cross multiply
    5,759.10x = 8,616.84 × 3,420.36
  4. Step 4: Simplify right side
    5,759.10x = 29,472,694.86
  5. Step 5: Solve for x
    x = 29,472,694.86/5,759.10
  6. Step 6: Final answer
    x = 5,117.59

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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.