Home / 5,460.88-8,191.72-1,565.58

Finding the Fourth Proportional to 5,460.88, 8,191.72 and 1,565.58

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Solution

The fourth proportional to 5,460.88, 8,191.72 and 1,565.58 is: 2,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.88 : 8,191.72 = 1,565.58 : x
  2. Step 2: Convert to fraction form
    5,460.88/8,191.72 = 1,565.58/x
  3. Step 3: Cross multiply
    5,460.88x = 8,191.72 × 1,565.58
  4. Step 4: Simplify right side
    5,460.88x = 12,824,793.00
  5. Step 5: Solve for x
    x = 12,824,793.00/5,460.88
  6. Step 6: Final answer
    x = 2,348.48

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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.