Home / 4,191.80-5,785-2,513.27

Finding the Fourth Proportional to 4,191.80, 5,785 and 2,513.27

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Solution

The fourth proportional to 4,191.80, 5,785 and 2,513.27 is: 3,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.80 : 5,785 = 2,513.27 : x
  2. Step 2: Convert to fraction form
    4,191.80/5,785 = 2,513.27/x
  3. Step 3: Cross multiply
    4,191.80x = 5,785 × 2,513.27
  4. Step 4: Simplify right side
    4,191.80x = 14,539,266.95
  5. Step 5: Solve for x
    x = 14,539,266.95/4,191.80
  6. Step 6: Final answer
    x = 3,468.51

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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.