Home / 5,455.88-8,184.15-1,560.59

Finding the Fourth Proportional to 5,455.88, 8,184.15 and 1,560.59

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Solution

The fourth proportional to 5,455.88, 8,184.15 and 1,560.59 is: 2,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.88 : 8,184.15 = 1,560.59 : x
  2. Step 2: Convert to fraction form
    5,455.88/8,184.15 = 1,560.59/x
  3. Step 3: Cross multiply
    5,455.88x = 8,184.15 × 1,560.59
  4. Step 4: Simplify right side
    5,455.88x = 12,772,061.73
  5. Step 5: Solve for x
    x = 12,772,061.73/5,455.88
  6. Step 6: Final answer
    x = 2,340.97

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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.