Home / 5,811.52-8,020.96-3,454.96

Finding the Fourth Proportional to 5,811.52, 8,020.96 and 3,454.96

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Solution

The fourth proportional to 5,811.52, 8,020.96 and 3,454.96 is: 4,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.52 : 8,020.96 = 3,454.96 : x
  2. Step 2: Convert to fraction form
    5,811.52/8,020.96 = 3,454.96/x
  3. Step 3: Cross multiply
    5,811.52x = 8,020.96 × 3,454.96
  4. Step 4: Simplify right side
    5,811.52x = 27,712,095.96
  5. Step 5: Solve for x
    x = 27,712,095.96/5,811.52
  6. Step 6: Final answer
    x = 4,768.48

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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.