Home / 5,188.33-7,143.24-4,618.45

Finding the Fourth Proportional to 5,188.33, 7,143.24 and 4,618.45

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Solution

The fourth proportional to 5,188.33, 7,143.24 and 4,618.45 is: 6,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.33 : 7,143.24 = 4,618.45 : x
  2. Step 2: Convert to fraction form
    5,188.33/7,143.24 = 4,618.45/x
  3. Step 3: Cross multiply
    5,188.33x = 7,143.24 × 4,618.45
  4. Step 4: Simplify right side
    5,188.33x = 32,990,696.78
  5. Step 5: Solve for x
    x = 32,990,696.78/5,188.33
  6. Step 6: Final answer
    x = 6,358.64

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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.