Home / 5,475.27-7,556.12-3,086.23

Finding the Fourth Proportional to 5,475.27, 7,556.12 and 3,086.23

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Solution

The fourth proportional to 5,475.27, 7,556.12 and 3,086.23 is: 4,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.27 : 7,556.12 = 3,086.23 : x
  2. Step 2: Convert to fraction form
    5,475.27/7,556.12 = 3,086.23/x
  3. Step 3: Cross multiply
    5,475.27x = 7,556.12 × 3,086.23
  4. Step 4: Simplify right side
    5,475.27x = 23,319,913.05
  5. Step 5: Solve for x
    x = 23,319,913.05/5,475.27
  6. Step 6: Final answer
    x = 4,259.13

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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.