Home / 5,538.93-7,643.74-3,021.05

Finding the Fourth Proportional to 5,538.93, 7,643.74 and 3,021.05

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Solution

The fourth proportional to 5,538.93, 7,643.74 and 3,021.05 is: 4,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.93 : 7,643.74 = 3,021.05 : x
  2. Step 2: Convert to fraction form
    5,538.93/7,643.74 = 3,021.05/x
  3. Step 3: Cross multiply
    5,538.93x = 7,643.74 × 3,021.05
  4. Step 4: Simplify right side
    5,538.93x = 23,092,132.28
  5. Step 5: Solve for x
    x = 23,092,132.28/5,538.93
  6. Step 6: Final answer
    x = 4,169.06

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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.