Home / 7,177.12-10,768.75-3,018.06

Finding the Fourth Proportional to 7,177.12, 10,768.75 and 3,018.06

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Solution

The fourth proportional to 7,177.12, 10,768.75 and 3,018.06 is: 4,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.12 : 10,768.75 = 3,018.06 : x
  2. Step 2: Convert to fraction form
    7,177.12/10,768.75 = 3,018.06/x
  3. Step 3: Cross multiply
    7,177.12x = 10,768.75 × 3,018.06
  4. Step 4: Simplify right side
    7,177.12x = 32,500,745.18
  5. Step 5: Solve for x
    x = 32,500,745.18/7,177.12
  6. Step 6: Final answer
    x = 4,528.38

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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.