Home / 4,956.40-7,436.20-3,314.80

Finding the Fourth Proportional to 4,956.40, 7,436.20 and 3,314.80

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Solution

The fourth proportional to 4,956.40, 7,436.20 and 3,314.80 is: 4,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.40 : 7,436.20 = 3,314.80 : x
  2. Step 2: Convert to fraction form
    4,956.40/7,436.20 = 3,314.80/x
  3. Step 3: Cross multiply
    4,956.40x = 7,436.20 × 3,314.80
  4. Step 4: Simplify right side
    4,956.40x = 24,649,515.76
  5. Step 5: Solve for x
    x = 24,649,515.76/4,956.40
  6. Step 6: Final answer
    x = 4,973.27

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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.