Home / 5,233.72-7,222.45-2,875.81

Finding the Fourth Proportional to 5,233.72, 7,222.45 and 2,875.81

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Solution

The fourth proportional to 5,233.72, 7,222.45 and 2,875.81 is: 3,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.72 : 7,222.45 = 2,875.81 : x
  2. Step 2: Convert to fraction form
    5,233.72/7,222.45 = 2,875.81/x
  3. Step 3: Cross multiply
    5,233.72x = 7,222.45 × 2,875.81
  4. Step 4: Simplify right side
    5,233.72x = 20,770,349.75
  5. Step 5: Solve for x
    x = 20,770,349.75/5,233.72
  6. Step 6: Final answer
    x = 3,968.57

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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.