Home / 5,291-7,299.56-3,403.32

Finding the Fourth Proportional to 5,291, 7,299.56 and 3,403.32

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Solution

The fourth proportional to 5,291, 7,299.56 and 3,403.32 is: 4,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291 : 7,299.56 = 3,403.32 : x
  2. Step 2: Convert to fraction form
    5,291/7,299.56 = 3,403.32/x
  3. Step 3: Cross multiply
    5,291x = 7,299.56 × 3,403.32
  4. Step 4: Simplify right side
    5,291x = 24,842,738.54
  5. Step 5: Solve for x
    x = 24,842,738.54/5,291
  6. Step 6: Final answer
    x = 4,695.28

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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.