Home / 5,236.35-7,840.70-3,153.53

Finding the Fourth Proportional to 5,236.35, 7,840.70 and 3,153.53

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Solution

The fourth proportional to 5,236.35, 7,840.70 and 3,153.53 is: 4,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.35 : 7,840.70 = 3,153.53 : x
  2. Step 2: Convert to fraction form
    5,236.35/7,840.70 = 3,153.53/x
  3. Step 3: Cross multiply
    5,236.35x = 7,840.70 × 3,153.53
  4. Step 4: Simplify right side
    5,236.35x = 24,725,898.33
  5. Step 5: Solve for x
    x = 24,725,898.33/5,236.35
  6. Step 6: Final answer
    x = 4,721.98

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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.