Home / 5,122.52-7,069.44-3,027.32

Finding the Fourth Proportional to 5,122.52, 7,069.44 and 3,027.32

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Solution

The fourth proportional to 5,122.52, 7,069.44 and 3,027.32 is: 4,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.52 : 7,069.44 = 3,027.32 : x
  2. Step 2: Convert to fraction form
    5,122.52/7,069.44 = 3,027.32/x
  3. Step 3: Cross multiply
    5,122.52x = 7,069.44 × 3,027.32
  4. Step 4: Simplify right side
    5,122.52x = 21,401,457.10
  5. Step 5: Solve for x
    x = 21,401,457.10/5,122.52
  6. Step 6: Final answer
    x = 4,177.92

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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.