Home / 5,473.22-7,553.08-3,115.51

Finding the Fourth Proportional to 5,473.22, 7,553.08 and 3,115.51

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Solution

The fourth proportional to 5,473.22, 7,553.08 and 3,115.51 is: 4,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.22 : 7,553.08 = 3,115.51 : x
  2. Step 2: Convert to fraction form
    5,473.22/7,553.08 = 3,115.51/x
  3. Step 3: Cross multiply
    5,473.22x = 7,553.08 × 3,115.51
  4. Step 4: Simplify right side
    5,473.22x = 23,531,681.28
  5. Step 5: Solve for x
    x = 23,531,681.28/5,473.22
  6. Step 6: Final answer
    x = 4,299.43

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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.