Home / 5,203.40-7,180.73-2,845.53

Finding the Fourth Proportional to 5,203.40, 7,180.73 and 2,845.53

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Solution

The fourth proportional to 5,203.40, 7,180.73 and 2,845.53 is: 3,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.40 : 7,180.73 = 2,845.53 : x
  2. Step 2: Convert to fraction form
    5,203.40/7,180.73 = 2,845.53/x
  3. Step 3: Cross multiply
    5,203.40x = 7,180.73 × 2,845.53
  4. Step 4: Simplify right side
    5,203.40x = 20,432,968.41
  5. Step 5: Solve for x
    x = 20,432,968.41/5,203.40
  6. Step 6: Final answer
    x = 3,926.85

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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.