Home / 5,685.72-8,530.94-2,722.67

Finding the Fourth Proportional to 5,685.72, 8,530.94 and 2,722.67

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Solution

The fourth proportional to 5,685.72, 8,530.94 and 2,722.67 is: 4,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.72 : 8,530.94 = 2,722.67 : x
  2. Step 2: Convert to fraction form
    5,685.72/8,530.94 = 2,722.67/x
  3. Step 3: Cross multiply
    5,685.72x = 8,530.94 × 2,722.67
  4. Step 4: Simplify right side
    5,685.72x = 23,226,934.41
  5. Step 5: Solve for x
    x = 23,226,934.41/5,685.72
  6. Step 6: Final answer
    x = 4,085.14

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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.