Home / 3,893.46-5,376.54-2,837.32

Finding the Fourth Proportional to 3,893.46, 5,376.54 and 2,837.32

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Solution

The fourth proportional to 3,893.46, 5,376.54 and 2,837.32 is: 3,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.46 : 5,376.54 = 2,837.32 : x
  2. Step 2: Convert to fraction form
    3,893.46/5,376.54 = 2,837.32/x
  3. Step 3: Cross multiply
    3,893.46x = 5,376.54 × 2,837.32
  4. Step 4: Simplify right side
    3,893.46x = 15,254,964.47
  5. Step 5: Solve for x
    x = 15,254,964.47/3,893.46
  6. Step 6: Final answer
    x = 3,918.10

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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.