Home / 5,071.17-6,997.81-2,832.87

Finding the Fourth Proportional to 5,071.17, 6,997.81 and 2,832.87

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Solution

The fourth proportional to 5,071.17, 6,997.81 and 2,832.87 is: 3,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.17 : 6,997.81 = 2,832.87 : x
  2. Step 2: Convert to fraction form
    5,071.17/6,997.81 = 2,832.87/x
  3. Step 3: Cross multiply
    5,071.17x = 6,997.81 × 2,832.87
  4. Step 4: Simplify right side
    5,071.17x = 19,823,886.01
  5. Step 5: Solve for x
    x = 19,823,886.01/5,071.17
  6. Step 6: Final answer
    x = 3,909.13

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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.