Home / 4,118.45-5,684.99-2,798.96

Finding the Fourth Proportional to 4,118.45, 5,684.99 and 2,798.96

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Solution

The fourth proportional to 4,118.45, 5,684.99 and 2,798.96 is: 3,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.45 : 5,684.99 = 2,798.96 : x
  2. Step 2: Convert to fraction form
    4,118.45/5,684.99 = 2,798.96/x
  3. Step 3: Cross multiply
    4,118.45x = 5,684.99 × 2,798.96
  4. Step 4: Simplify right side
    4,118.45x = 15,912,017.19
  5. Step 5: Solve for x
    x = 15,912,017.19/4,118.45
  6. Step 6: Final answer
    x = 3,863.60

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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.