Home / 4,635.78-6,953.67-2,172.33

Finding the Fourth Proportional to 4,635.78, 6,953.67 and 2,172.33

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Solution

The fourth proportional to 4,635.78, 6,953.67 and 2,172.33 is: 3,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.78 : 6,953.67 = 2,172.33 : x
  2. Step 2: Convert to fraction form
    4,635.78/6,953.67 = 2,172.33/x
  3. Step 3: Cross multiply
    4,635.78x = 6,953.67 × 2,172.33
  4. Step 4: Simplify right side
    4,635.78x = 15,105,665.95
  5. Step 5: Solve for x
    x = 15,105,665.95/4,635.78
  6. Step 6: Final answer
    x = 3,258.50

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1.5x scale

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.