Home / 5,100.77-7,039.44-2,832.23

Finding the Fourth Proportional to 5,100.77, 7,039.44 and 2,832.23

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Solution

The fourth proportional to 5,100.77, 7,039.44 and 2,832.23 is: 3,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.77 : 7,039.44 = 2,832.23 : x
  2. Step 2: Convert to fraction form
    5,100.77/7,039.44 = 2,832.23/x
  3. Step 3: Cross multiply
    5,100.77x = 7,039.44 × 2,832.23
  4. Step 4: Simplify right side
    5,100.77x = 19,937,330.75
  5. Step 5: Solve for x
    x = 19,937,330.75/5,100.77
  6. Step 6: Final answer
    x = 3,908.69

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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.