Home / 4,629.28-6,943.85-1,119.26

Finding the Fourth Proportional to 4,629.28, 6,943.85 and 1,119.26

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Solution

The fourth proportional to 4,629.28, 6,943.85 and 1,119.26 is: 1,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.28 : 6,943.85 = 1,119.26 : x
  2. Step 2: Convert to fraction form
    4,629.28/6,943.85 = 1,119.26/x
  3. Step 3: Cross multiply
    4,629.28x = 6,943.85 × 1,119.26
  4. Step 4: Simplify right side
    4,629.28x = 7,771,933.24
  5. Step 5: Solve for x
    x = 7,771,933.24/4,629.28
  6. Step 6: Final answer
    x = 1,678.87

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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.