Home / 5,152.97-7,111.15-2,795.16

Finding the Fourth Proportional to 5,152.97, 7,111.15 and 2,795.16

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Solution

The fourth proportional to 5,152.97, 7,111.15 and 2,795.16 is: 3,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.97 : 7,111.15 = 2,795.16 : x
  2. Step 2: Convert to fraction form
    5,152.97/7,111.15 = 2,795.16/x
  3. Step 3: Cross multiply
    5,152.97x = 7,111.15 × 2,795.16
  4. Step 4: Simplify right side
    5,152.97x = 19,876,795.05
  5. Step 5: Solve for x
    x = 19,876,795.05/5,152.97
  6. Step 6: Final answer
    x = 3,857.35

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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.