Home / 5,269.58-7,272.01-3,031.40

Finding the Fourth Proportional to 5,269.58, 7,272.01 and 3,031.40

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Solution

The fourth proportional to 5,269.58, 7,272.01 and 3,031.40 is: 4,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.58 : 7,272.01 = 3,031.40 : x
  2. Step 2: Convert to fraction form
    5,269.58/7,272.01 = 3,031.40/x
  3. Step 3: Cross multiply
    5,269.58x = 7,272.01 × 3,031.40
  4. Step 4: Simplify right side
    5,269.58x = 22,044,371.11
  5. Step 5: Solve for x
    x = 22,044,371.11/5,269.58
  6. Step 6: Final answer
    x = 4,183.33

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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.