Home / 5,083.23-7,621.83-1,572.20

Finding the Fourth Proportional to 5,083.23, 7,621.83 and 1,572.20

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Solution

The fourth proportional to 5,083.23, 7,621.83 and 1,572.20 is: 2,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.23 : 7,621.83 = 1,572.20 : x
  2. Step 2: Convert to fraction form
    5,083.23/7,621.83 = 1,572.20/x
  3. Step 3: Cross multiply
    5,083.23x = 7,621.83 × 1,572.20
  4. Step 4: Simplify right side
    5,083.23x = 11,982,999.09
  5. Step 5: Solve for x
    x = 11,982,999.09/5,083.23
  6. Step 6: Final answer
    x = 2,357.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.