Home / 7,152.38-10,727.30-2,766.22

Finding the Fourth Proportional to 7,152.38, 10,727.30 and 2,766.22

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Solution

The fourth proportional to 7,152.38, 10,727.30 and 2,766.22 is: 4,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.38 : 10,727.30 = 2,766.22 : x
  2. Step 2: Convert to fraction form
    7,152.38/10,727.30 = 2,766.22/x
  3. Step 3: Cross multiply
    7,152.38x = 10,727.30 × 2,766.22
  4. Step 4: Simplify right side
    7,152.38x = 29,674,071.81
  5. Step 5: Solve for x
    x = 29,674,071.81/7,152.38
  6. Step 6: Final answer
    x = 4,148.84

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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.