Home / 5,215.47-7,194.94-4,618.58

Finding the Fourth Proportional to 5,215.47, 7,194.94 and 4,618.58

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Solution

The fourth proportional to 5,215.47, 7,194.94 and 4,618.58 is: 6,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.47 : 7,194.94 = 4,618.58 : x
  2. Step 2: Convert to fraction form
    5,215.47/7,194.94 = 4,618.58/x
  3. Step 3: Cross multiply
    5,215.47x = 7,194.94 × 4,618.58
  4. Step 4: Simplify right side
    5,215.47x = 33,230,384.44
  5. Step 5: Solve for x
    x = 33,230,384.44/5,215.47
  6. Step 6: Final answer
    x = 6,371.50

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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.