Home / 4,997.72-7,496.56-2,078.08

Finding the Fourth Proportional to 4,997.72, 7,496.56 and 2,078.08

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Solution

The fourth proportional to 4,997.72, 7,496.56 and 2,078.08 is: 3,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.72 : 7,496.56 = 2,078.08 : x
  2. Step 2: Convert to fraction form
    4,997.72/7,496.56 = 2,078.08/x
  3. Step 3: Cross multiply
    4,997.72x = 7,496.56 × 2,078.08
  4. Step 4: Simplify right side
    4,997.72x = 15,578,451.40
  5. Step 5: Solve for x
    x = 15,578,451.40/4,997.72
  6. Step 6: Final answer
    x = 3,117.11

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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.