Home / 4,447.87-6,669.55-1,485.25

Finding the Fourth Proportional to 4,447.87, 6,669.55 and 1,485.25

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Solution

The fourth proportional to 4,447.87, 6,669.55 and 1,485.25 is: 2,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.87 : 6,669.55 = 1,485.25 : x
  2. Step 2: Convert to fraction form
    4,447.87/6,669.55 = 1,485.25/x
  3. Step 3: Cross multiply
    4,447.87x = 6,669.55 × 1,485.25
  4. Step 4: Simplify right side
    4,447.87x = 9,905,963.48
  5. Step 5: Solve for x
    x = 9,905,963.48/4,447.87
  6. Step 6: Final answer
    x = 2,227.12

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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.