Home / 7,407.67-10,222.16-4,049.86

Finding the Fourth Proportional to 7,407.67, 10,222.16 and 4,049.86

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Solution

The fourth proportional to 7,407.67, 10,222.16 and 4,049.86 is: 5,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.67 : 10,222.16 = 4,049.86 : x
  2. Step 2: Convert to fraction form
    7,407.67/10,222.16 = 4,049.86/x
  3. Step 3: Cross multiply
    7,407.67x = 10,222.16 × 4,049.86
  4. Step 4: Simplify right side
    7,407.67x = 41,398,265.79
  5. Step 5: Solve for x
    x = 41,398,265.79/7,407.67
  6. Step 6: Final answer
    x = 5,588.57

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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.