Home / 5,316.05-7,336.29-3,190.86

Finding the Fourth Proportional to 5,316.05, 7,336.29 and 3,190.86

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Solution

The fourth proportional to 5,316.05, 7,336.29 and 3,190.86 is: 4,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.05 : 7,336.29 = 3,190.86 : x
  2. Step 2: Convert to fraction form
    5,316.05/7,336.29 = 3,190.86/x
  3. Step 3: Cross multiply
    5,316.05x = 7,336.29 × 3,190.86
  4. Step 4: Simplify right side
    5,316.05x = 23,409,074.31
  5. Step 5: Solve for x
    x = 23,409,074.31/5,316.05
  6. Step 6: Final answer
    x = 4,403.48

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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.