Home / 5,421.07-7,480.97-3,063.16

Finding the Fourth Proportional to 5,421.07, 7,480.97 and 3,063.16

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Solution

The fourth proportional to 5,421.07, 7,480.97 and 3,063.16 is: 4,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.07 : 7,480.97 = 3,063.16 : x
  2. Step 2: Convert to fraction form
    5,421.07/7,480.97 = 3,063.16/x
  3. Step 3: Cross multiply
    5,421.07x = 7,480.97 × 3,063.16
  4. Step 4: Simplify right side
    5,421.07x = 22,915,378.32
  5. Step 5: Solve for x
    x = 22,915,378.32/5,421.07
  6. Step 6: Final answer
    x = 4,227.10

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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.