Home / 4,805.90-6,629.49-3,012.99

Finding the Fourth Proportional to 4,805.90, 6,629.49 and 3,012.99

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Solution

The fourth proportional to 4,805.90, 6,629.49 and 3,012.99 is: 4,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.90 : 6,629.49 = 3,012.99 : x
  2. Step 2: Convert to fraction form
    4,805.90/6,629.49 = 3,012.99/x
  3. Step 3: Cross multiply
    4,805.90x = 6,629.49 × 3,012.99
  4. Step 4: Simplify right side
    4,805.90x = 19,974,587.08
  5. Step 5: Solve for x
    x = 19,974,587.08/4,805.90
  6. Step 6: Final answer
    x = 4,156.27

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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.