Home / 4,888.19-6,745.61-2,763.68

Finding the Fourth Proportional to 4,888.19, 6,745.61 and 2,763.68

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Solution

The fourth proportional to 4,888.19, 6,745.61 and 2,763.68 is: 3,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.19 : 6,745.61 = 2,763.68 : x
  2. Step 2: Convert to fraction form
    4,888.19/6,745.61 = 2,763.68/x
  3. Step 3: Cross multiply
    4,888.19x = 6,745.61 × 2,763.68
  4. Step 4: Simplify right side
    4,888.19x = 18,642,731.22
  5. Step 5: Solve for x
    x = 18,642,731.22/4,888.19
  6. Step 6: Final answer
    x = 3,813.84

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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.