Home / 4,824.77-7,220.19-4,174.28

Finding the Fourth Proportional to 4,824.77, 7,220.19 and 4,174.28

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Solution

The fourth proportional to 4,824.77, 7,220.19 and 4,174.28 is: 6,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.77 : 7,220.19 = 4,174.28 : x
  2. Step 2: Convert to fraction form
    4,824.77/7,220.19 = 4,174.28/x
  3. Step 3: Cross multiply
    4,824.77x = 7,220.19 × 4,174.28
  4. Step 4: Simplify right side
    4,824.77x = 30,139,118.47
  5. Step 5: Solve for x
    x = 30,139,118.47/4,824.77
  6. Step 6: Final answer
    x = 6,246.75

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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.