Home / 4,644.48-6,405.84-3,153.54

Finding the Fourth Proportional to 4,644.48, 6,405.84 and 3,153.54

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Solution

The fourth proportional to 4,644.48, 6,405.84 and 3,153.54 is: 4,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.48 : 6,405.84 = 3,153.54 : x
  2. Step 2: Convert to fraction form
    4,644.48/6,405.84 = 3,153.54/x
  3. Step 3: Cross multiply
    4,644.48x = 6,405.84 × 3,153.54
  4. Step 4: Simplify right side
    4,644.48x = 20,201,072.67
  5. Step 5: Solve for x
    x = 20,201,072.67/4,644.48
  6. Step 6: Final answer
    x = 4,349.48

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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.