Home / 4,217.84-5,820.37-2,539.79

Finding the Fourth Proportional to 4,217.84, 5,820.37 and 2,539.79

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Solution

The fourth proportional to 4,217.84, 5,820.37 and 2,539.79 is: 3,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.84 : 5,820.37 = 2,539.79 : x
  2. Step 2: Convert to fraction form
    4,217.84/5,820.37 = 2,539.79/x
  3. Step 3: Cross multiply
    4,217.84x = 5,820.37 × 2,539.79
  4. Step 4: Simplify right side
    4,217.84x = 14,782,525.72
  5. Step 5: Solve for x
    x = 14,782,525.72/4,217.84
  6. Step 6: Final answer
    x = 3,504.76

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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.