Home / 5,071.31-6,997.59-2,832.81

Finding the Fourth Proportional to 5,071.31, 6,997.59 and 2,832.81

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Solution

The fourth proportional to 5,071.31, 6,997.59 and 2,832.81 is: 3,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.31 : 6,997.59 = 2,832.81 : x
  2. Step 2: Convert to fraction form
    5,071.31/6,997.59 = 2,832.81/x
  3. Step 3: Cross multiply
    5,071.31x = 6,997.59 × 2,832.81
  4. Step 4: Simplify right side
    5,071.31x = 19,822,816.69
  5. Step 5: Solve for x
    x = 19,822,816.69/5,071.31
  6. Step 6: Final answer
    x = 3,908.82

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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.