Home / 5,440.97-8,160.80-1,492.55

Finding the Fourth Proportional to 5,440.97, 8,160.80 and 1,492.55

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Solution

The fourth proportional to 5,440.97, 8,160.80 and 1,492.55 is: 2,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.97 : 8,160.80 = 1,492.55 : x
  2. Step 2: Convert to fraction form
    5,440.97/8,160.80 = 1,492.55/x
  3. Step 3: Cross multiply
    5,440.97x = 8,160.80 × 1,492.55
  4. Step 4: Simplify right side
    5,440.97x = 12,180,415.72
  5. Step 5: Solve for x
    x = 12,180,415.72/5,440.97
  6. Step 6: Final answer
    x = 2,238.65

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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.