Home / 5,476.86-7,556.22-3,117.33

Finding the Fourth Proportional to 5,476.86, 7,556.22 and 3,117.33

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Solution

The fourth proportional to 5,476.86, 7,556.22 and 3,117.33 is: 4,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.86 : 7,556.22 = 3,117.33 : x
  2. Step 2: Convert to fraction form
    5,476.86/7,556.22 = 3,117.33/x
  3. Step 3: Cross multiply
    5,476.86x = 7,556.22 × 3,117.33
  4. Step 4: Simplify right side
    5,476.86x = 23,555,231.29
  5. Step 5: Solve for x
    x = 23,555,231.29/5,476.86
  6. Step 6: Final answer
    x = 4,300.86

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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.