Home / 7,041.69-10,553.36-3,921.57

Finding the Fourth Proportional to 7,041.69, 10,553.36 and 3,921.57

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Solution

The fourth proportional to 7,041.69, 10,553.36 and 3,921.57 is: 5,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.69 : 10,553.36 = 3,921.57 : x
  2. Step 2: Convert to fraction form
    7,041.69/10,553.36 = 3,921.57/x
  3. Step 3: Cross multiply
    7,041.69x = 10,553.36 × 3,921.57
  4. Step 4: Simplify right side
    7,041.69x = 41,385,720.37
  5. Step 5: Solve for x
    x = 41,385,720.37/7,041.69
  6. Step 6: Final answer
    x = 5,877.24

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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.