Home / 5,515.71-7,608.83-3,416.19

Finding the Fourth Proportional to 5,515.71, 7,608.83 and 3,416.19

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Solution

The fourth proportional to 5,515.71, 7,608.83 and 3,416.19 is: 4,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.71 : 7,608.83 = 3,416.19 : x
  2. Step 2: Convert to fraction form
    5,515.71/7,608.83 = 3,416.19/x
  3. Step 3: Cross multiply
    5,515.71x = 7,608.83 × 3,416.19
  4. Step 4: Simplify right side
    5,515.71x = 25,993,200.42
  5. Step 5: Solve for x
    x = 25,993,200.42/5,515.71
  6. Step 6: Final answer
    x = 4,712.58

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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.