Home / 4,838.12-7,258.20-1,718.60

Finding the Fourth Proportional to 4,838.12, 7,258.20 and 1,718.60

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Solution

The fourth proportional to 4,838.12, 7,258.20 and 1,718.60 is: 2,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.12 : 7,258.20 = 1,718.60 : x
  2. Step 2: Convert to fraction form
    4,838.12/7,258.20 = 1,718.60/x
  3. Step 3: Cross multiply
    4,838.12x = 7,258.20 × 1,718.60
  4. Step 4: Simplify right side
    4,838.12x = 12,473,942.52
  5. Step 5: Solve for x
    x = 12,473,942.52/4,838.12
  6. Step 6: Final answer
    x = 2,578.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.