Home / 5,655.46-7,803.69-3,170.98

Finding the Fourth Proportional to 5,655.46, 7,803.69 and 3,170.98

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Solution

The fourth proportional to 5,655.46, 7,803.69 and 3,170.98 is: 4,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.46 : 7,803.69 = 3,170.98 : x
  2. Step 2: Convert to fraction form
    5,655.46/7,803.69 = 3,170.98/x
  3. Step 3: Cross multiply
    5,655.46x = 7,803.69 × 3,170.98
  4. Step 4: Simplify right side
    5,655.46x = 24,745,344.92
  5. Step 5: Solve for x
    x = 24,745,344.92/5,655.46
  6. Step 6: Final answer
    x = 4,375.48

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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.