Home / 5,321.10-7,342.62-3,083.06

Finding the Fourth Proportional to 5,321.10, 7,342.62 and 3,083.06

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Solution

The fourth proportional to 5,321.10, 7,342.62 and 3,083.06 is: 4,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.10 : 7,342.62 = 3,083.06 : x
  2. Step 2: Convert to fraction form
    5,321.10/7,342.62 = 3,083.06/x
  3. Step 3: Cross multiply
    5,321.10x = 7,342.62 × 3,083.06
  4. Step 4: Simplify right side
    5,321.10x = 22,637,738.02
  5. Step 5: Solve for x
    x = 22,637,738.02/5,321.10
  6. Step 6: Final answer
    x = 4,254.33

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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.