Home / 4,644.63-6,403.73-3,972.33

Finding the Fourth Proportional to 4,644.63, 6,403.73 and 3,972.33

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Solution

The fourth proportional to 4,644.63, 6,403.73 and 3,972.33 is: 5,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.63 : 6,403.73 = 3,972.33 : x
  2. Step 2: Convert to fraction form
    4,644.63/6,403.73 = 3,972.33/x
  3. Step 3: Cross multiply
    4,644.63x = 6,403.73 × 3,972.33
  4. Step 4: Simplify right side
    4,644.63x = 25,437,708.93
  5. Step 5: Solve for x
    x = 25,437,708.93/4,644.63
  6. Step 6: Final answer
    x = 5,476.80

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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.