Home / 5,101.17-7,039.51-2,832.39

Finding the Fourth Proportional to 5,101.17, 7,039.51 and 2,832.39

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Solution

The fourth proportional to 5,101.17, 7,039.51 and 2,832.39 is: 3,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.17 : 7,039.51 = 2,832.39 : x
  2. Step 2: Convert to fraction form
    5,101.17/7,039.51 = 2,832.39/x
  3. Step 3: Cross multiply
    5,101.17x = 7,039.51 × 2,832.39
  4. Step 4: Simplify right side
    5,101.17x = 19,938,650.47
  5. Step 5: Solve for x
    x = 19,938,650.47/5,101.17
  6. Step 6: Final answer
    x = 3,908.64

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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.