Home / 6,887.13-10,326.54-3,762.81

Finding the Fourth Proportional to 6,887.13, 10,326.54 and 3,762.81

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Solution

The fourth proportional to 6,887.13, 10,326.54 and 3,762.81 is: 5,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.13 : 10,326.54 = 3,762.81 : x
  2. Step 2: Convert to fraction form
    6,887.13/10,326.54 = 3,762.81/x
  3. Step 3: Cross multiply
    6,887.13x = 10,326.54 × 3,762.81
  4. Step 4: Simplify right side
    6,887.13x = 38,856,807.98
  5. Step 5: Solve for x
    x = 38,856,807.98/6,887.13
  6. Step 6: Final answer
    x = 5,641.94

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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.