Home / 4,940.15-6,812.55-3,261.63

Finding the Fourth Proportional to 4,940.15, 6,812.55 and 3,261.63

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Solution

The fourth proportional to 4,940.15, 6,812.55 and 3,261.63 is: 4,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.15 : 6,812.55 = 3,261.63 : x
  2. Step 2: Convert to fraction form
    4,940.15/6,812.55 = 3,261.63/x
  3. Step 3: Cross multiply
    4,940.15x = 6,812.55 × 3,261.63
  4. Step 4: Simplify right side
    4,940.15x = 22,220,017.46
  5. Step 5: Solve for x
    x = 22,220,017.46/4,940.15
  6. Step 6: Final answer
    x = 4,497.84

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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.