Home / 4,190.55-5,782.80-2,302.12

Finding the Fourth Proportional to 4,190.55, 5,782.80 and 2,302.12

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Solution

The fourth proportional to 4,190.55, 5,782.80 and 2,302.12 is: 3,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.55 : 5,782.80 = 2,302.12 : x
  2. Step 2: Convert to fraction form
    4,190.55/5,782.80 = 2,302.12/x
  3. Step 3: Cross multiply
    4,190.55x = 5,782.80 × 2,302.12
  4. Step 4: Simplify right side
    4,190.55x = 13,312,699.54
  5. Step 5: Solve for x
    x = 13,312,699.54/4,190.55
  6. Step 6: Final answer
    x = 3,176.84

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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.