Home / 6,551.13-9,039.06-3,717.81

Finding the Fourth Proportional to 6,551.13, 9,039.06 and 3,717.81

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Solution

The fourth proportional to 6,551.13, 9,039.06 and 3,717.81 is: 5,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.13 : 9,039.06 = 3,717.81 : x
  2. Step 2: Convert to fraction form
    6,551.13/9,039.06 = 3,717.81/x
  3. Step 3: Cross multiply
    6,551.13x = 9,039.06 × 3,717.81
  4. Step 4: Simplify right side
    6,551.13x = 33,605,507.66
  5. Step 5: Solve for x
    x = 33,605,507.66/6,551.13
  6. Step 6: Final answer
    x = 5,129.73

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1.5x scale

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.