Home / 7,346.69-10,138.92-4,160

Finding the Fourth Proportional to 7,346.69, 10,138.92 and 4,160

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Solution

The fourth proportional to 7,346.69, 10,138.92 and 4,160 is: 5,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.69 : 10,138.92 = 4,160 : x
  2. Step 2: Convert to fraction form
    7,346.69/10,138.92 = 4,160/x
  3. Step 3: Cross multiply
    7,346.69x = 10,138.92 × 4,160
  4. Step 4: Simplify right side
    7,346.69x = 42,177,907.20
  5. Step 5: Solve for x
    x = 42,177,907.20/7,346.69
  6. Step 6: Final answer
    x = 5,741.08

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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.