Home / 6,761.07-10,142.14-2,379.51

Finding the Fourth Proportional to 6,761.07, 10,142.14 and 2,379.51

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Solution

The fourth proportional to 6,761.07, 10,142.14 and 2,379.51 is: 3,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.07 : 10,142.14 = 2,379.51 : x
  2. Step 2: Convert to fraction form
    6,761.07/10,142.14 = 2,379.51/x
  3. Step 3: Cross multiply
    6,761.07x = 10,142.14 × 2,379.51
  4. Step 4: Simplify right side
    6,761.07x = 24,133,323.55
  5. Step 5: Solve for x
    x = 24,133,323.55/6,761.07
  6. Step 6: Final answer
    x = 3,569.45

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1.5x scale

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.