Home / 5,206.72-7,186.08-2,968.60

Finding the Fourth Proportional to 5,206.72, 7,186.08 and 2,968.60

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Solution

The fourth proportional to 5,206.72, 7,186.08 and 2,968.60 is: 4,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.72 : 7,186.08 = 2,968.60 : x
  2. Step 2: Convert to fraction form
    5,206.72/7,186.08 = 2,968.60/x
  3. Step 3: Cross multiply
    5,206.72x = 7,186.08 × 2,968.60
  4. Step 4: Simplify right side
    5,206.72x = 21,332,597.09
  5. Step 5: Solve for x
    x = 21,332,597.09/5,206.72
  6. Step 6: Final answer
    x = 4,097.13

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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.