Home / 7,222.79-9,967.66-4,035.98

Finding the Fourth Proportional to 7,222.79, 9,967.66 and 4,035.98

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Solution

The fourth proportional to 7,222.79, 9,967.66 and 4,035.98 is: 5,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.79 : 9,967.66 = 4,035.98 : x
  2. Step 2: Convert to fraction form
    7,222.79/9,967.66 = 4,035.98/x
  3. Step 3: Cross multiply
    7,222.79x = 9,967.66 × 4,035.98
  4. Step 4: Simplify right side
    7,222.79x = 40,229,235.17
  5. Step 5: Solve for x
    x = 40,229,235.17/7,222.79
  6. Step 6: Final answer
    x = 5,569.77

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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.