Home / 4,912.02-6,778.53-3,235.86

Finding the Fourth Proportional to 4,912.02, 6,778.53 and 3,235.86

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Solution

The fourth proportional to 4,912.02, 6,778.53 and 3,235.86 is: 4,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.02 : 6,778.53 = 3,235.86 : x
  2. Step 2: Convert to fraction form
    4,912.02/6,778.53 = 3,235.86/x
  3. Step 3: Cross multiply
    4,912.02x = 6,778.53 × 3,235.86
  4. Step 4: Simplify right side
    4,912.02x = 21,934,374.09
  5. Step 5: Solve for x
    x = 21,934,374.09/4,912.02
  6. Step 6: Final answer
    x = 4,465.45

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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.