Home / 5,222.42-7,206.86-2,832.35

Finding the Fourth Proportional to 5,222.42, 7,206.86 and 2,832.35

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Solution

The fourth proportional to 5,222.42, 7,206.86 and 2,832.35 is: 3,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.42 : 7,206.86 = 2,832.35 : x
  2. Step 2: Convert to fraction form
    5,222.42/7,206.86 = 2,832.35/x
  3. Step 3: Cross multiply
    5,222.42x = 7,206.86 × 2,832.35
  4. Step 4: Simplify right side
    5,222.42x = 20,412,299.72
  5. Step 5: Solve for x
    x = 20,412,299.72/5,222.42
  6. Step 6: Final answer
    x = 3,908.59

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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.