Home / 4,190.39-5,782.79-2,302.02

Finding the Fourth Proportional to 4,190.39, 5,782.79 and 2,302.02

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Solution

The fourth proportional to 4,190.39, 5,782.79 and 2,302.02 is: 3,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.39 : 5,782.79 = 2,302.02 : x
  2. Step 2: Convert to fraction form
    4,190.39/5,782.79 = 2,302.02/x
  3. Step 3: Cross multiply
    4,190.39x = 5,782.79 × 2,302.02
  4. Step 4: Simplify right side
    4,190.39x = 13,312,098.24
  5. Step 5: Solve for x
    x = 13,312,098.24/4,190.39
  6. Step 6: Final answer
    x = 3,176.82

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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.