Home / 5,723.70-7,890.39-4,727.22

Finding the Fourth Proportional to 5,723.70, 7,890.39 and 4,727.22

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Solution

The fourth proportional to 5,723.70, 7,890.39 and 4,727.22 is: 6,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.70 : 7,890.39 = 4,727.22 : x
  2. Step 2: Convert to fraction form
    5,723.70/7,890.39 = 4,727.22/x
  3. Step 3: Cross multiply
    5,723.70x = 7,890.39 × 4,727.22
  4. Step 4: Simplify right side
    5,723.70x = 37,299,609.42
  5. Step 5: Solve for x
    x = 37,299,609.42/5,723.70
  6. Step 6: Final answer
    x = 6,516.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.