Home / 4,199.24-6,298.38-1,121

Finding the Fourth Proportional to 4,199.24, 6,298.38 and 1,121

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Solution

The fourth proportional to 4,199.24, 6,298.38 and 1,121 is: 1,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.24 : 6,298.38 = 1,121 : x
  2. Step 2: Convert to fraction form
    4,199.24/6,298.38 = 1,121/x
  3. Step 3: Cross multiply
    4,199.24x = 6,298.38 × 1,121
  4. Step 4: Simplify right side
    4,199.24x = 7,060,483.98
  5. Step 5: Solve for x
    x = 7,060,483.98/4,199.24
  6. Step 6: Final answer
    x = 1,681.37

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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.