Home / 4,186.13-5,776.88-2,615.13

Finding the Fourth Proportional to 4,186.13, 5,776.88 and 2,615.13

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Solution

The fourth proportional to 4,186.13, 5,776.88 and 2,615.13 is: 3,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.13 : 5,776.88 = 2,615.13 : x
  2. Step 2: Convert to fraction form
    4,186.13/5,776.88 = 2,615.13/x
  3. Step 3: Cross multiply
    4,186.13x = 5,776.88 × 2,615.13
  4. Step 4: Simplify right side
    4,186.13x = 15,107,279.12
  5. Step 5: Solve for x
    x = 15,107,279.12/4,186.13
  6. Step 6: Final answer
    x = 3,608.89

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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.