Home / 7,341.39-10,131.62-4,154.69

Finding the Fourth Proportional to 7,341.39, 10,131.62 and 4,154.69

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Solution

The fourth proportional to 7,341.39, 10,131.62 and 4,154.69 is: 5,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.39 : 10,131.62 = 4,154.69 : x
  2. Step 2: Convert to fraction form
    7,341.39/10,131.62 = 4,154.69/x
  3. Step 3: Cross multiply
    7,341.39x = 10,131.62 × 4,154.69
  4. Step 4: Simplify right side
    7,341.39x = 42,093,740.30
  5. Step 5: Solve for x
    x = 42,093,740.30/7,341.39
  6. Step 6: Final answer
    x = 5,733.76

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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.