Home / 5,706.75-8,561.88-5,118.03

Finding the Fourth Proportional to 5,706.75, 8,561.88 and 5,118.03

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Solution

The fourth proportional to 5,706.75, 8,561.88 and 5,118.03 is: 7,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.75 : 8,561.88 = 5,118.03 : x
  2. Step 2: Convert to fraction form
    5,706.75/8,561.88 = 5,118.03/x
  3. Step 3: Cross multiply
    5,706.75x = 8,561.88 × 5,118.03
  4. Step 4: Simplify right side
    5,706.75x = 43,819,958.70
  5. Step 5: Solve for x
    x = 43,819,958.70/5,706.75
  6. Step 6: Final answer
    x = 7,678.62

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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.