Home / 7,222.68-10,835.56-2,291.68

Finding the Fourth Proportional to 7,222.68, 10,835.56 and 2,291.68

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Solution

The fourth proportional to 7,222.68, 10,835.56 and 2,291.68 is: 3,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.68 : 10,835.56 = 2,291.68 : x
  2. Step 2: Convert to fraction form
    7,222.68/10,835.56 = 2,291.68/x
  3. Step 3: Cross multiply
    7,222.68x = 10,835.56 × 2,291.68
  4. Step 4: Simplify right side
    7,222.68x = 24,831,636.14
  5. Step 5: Solve for x
    x = 24,831,636.14/7,222.68
  6. Step 6: Final answer
    x = 3,438.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.