Home / 5,222.70-7,207.59-2,865.06

Finding the Fourth Proportional to 5,222.70, 7,207.59 and 2,865.06

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Solution

The fourth proportional to 5,222.70, 7,207.59 and 2,865.06 is: 3,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.70 : 7,207.59 = 2,865.06 : x
  2. Step 2: Convert to fraction form
    5,222.70/7,207.59 = 2,865.06/x
  3. Step 3: Cross multiply
    5,222.70x = 7,207.59 × 2,865.06
  4. Step 4: Simplify right side
    5,222.70x = 20,650,177.81
  5. Step 5: Solve for x
    x = 20,650,177.81/5,222.70
  6. Step 6: Final answer
    x = 3,953.93

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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.