Home / 5,419.13-7,473.72-3,530

Finding the Fourth Proportional to 5,419.13, 7,473.72 and 3,530

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Solution

The fourth proportional to 5,419.13, 7,473.72 and 3,530 is: 4,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.13 : 7,473.72 = 3,530 : x
  2. Step 2: Convert to fraction form
    5,419.13/7,473.72 = 3,530/x
  3. Step 3: Cross multiply
    5,419.13x = 7,473.72 × 3,530
  4. Step 4: Simplify right side
    5,419.13x = 26,382,231.60
  5. Step 5: Solve for x
    x = 26,382,231.60/5,419.13
  6. Step 6: Final answer
    x = 4,868.35

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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.