Home / 5,196.16-7,170.60-2,838.22

Finding the Fourth Proportional to 5,196.16, 7,170.60 and 2,838.22

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Solution

The fourth proportional to 5,196.16, 7,170.60 and 2,838.22 is: 3,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.16 : 7,170.60 = 2,838.22 : x
  2. Step 2: Convert to fraction form
    5,196.16/7,170.60 = 2,838.22/x
  3. Step 3: Cross multiply
    5,196.16x = 7,170.60 × 2,838.22
  4. Step 4: Simplify right side
    5,196.16x = 20,351,740.33
  5. Step 5: Solve for x
    x = 20,351,740.33/5,196.16
  6. Step 6: Final answer
    x = 3,916.69

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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.