Home / 4,183.70-5,774.05-2,415.28

Finding the Fourth Proportional to 4,183.70, 5,774.05 and 2,415.28

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Solution

The fourth proportional to 4,183.70, 5,774.05 and 2,415.28 is: 3,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.70 : 5,774.05 = 2,415.28 : x
  2. Step 2: Convert to fraction form
    4,183.70/5,774.05 = 2,415.28/x
  3. Step 3: Cross multiply
    4,183.70x = 5,774.05 × 2,415.28
  4. Step 4: Simplify right side
    4,183.70x = 13,945,947.48
  5. Step 5: Solve for x
    x = 13,945,947.48/4,183.70
  6. Step 6: Final answer
    x = 3,333.40

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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.