Home / 5,979.46-8,956.88-3,506.80

Finding the Fourth Proportional to 5,979.46, 8,956.88 and 3,506.80

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Solution

The fourth proportional to 5,979.46, 8,956.88 and 3,506.80 is: 5,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.46 : 8,956.88 = 3,506.80 : x
  2. Step 2: Convert to fraction form
    5,979.46/8,956.88 = 3,506.80/x
  3. Step 3: Cross multiply
    5,979.46x = 8,956.88 × 3,506.80
  4. Step 4: Simplify right side
    5,979.46x = 31,409,986.78
  5. Step 5: Solve for x
    x = 31,409,986.78/5,979.46
  6. Step 6: Final answer
    x = 5,252.98

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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.