Home / 4,949.70-6,830.91-2,825.34

Finding the Fourth Proportional to 4,949.70, 6,830.91 and 2,825.34

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Solution

The fourth proportional to 4,949.70, 6,830.91 and 2,825.34 is: 3,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.70 : 6,830.91 = 2,825.34 : x
  2. Step 2: Convert to fraction form
    4,949.70/6,830.91 = 2,825.34/x
  3. Step 3: Cross multiply
    4,949.70x = 6,830.91 × 2,825.34
  4. Step 4: Simplify right side
    4,949.70x = 19,299,643.26
  5. Step 5: Solve for x
    x = 19,299,643.26/4,949.70
  6. Step 6: Final answer
    x = 3,899.15

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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.