Home / 5,625.14-8,436.78-1,729.53

Finding the Fourth Proportional to 5,625.14, 8,436.78 and 1,729.53

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Solution

The fourth proportional to 5,625.14, 8,436.78 and 1,729.53 is: 2,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.14 : 8,436.78 = 1,729.53 : x
  2. Step 2: Convert to fraction form
    5,625.14/8,436.78 = 1,729.53/x
  3. Step 3: Cross multiply
    5,625.14x = 8,436.78 × 1,729.53
  4. Step 4: Simplify right side
    5,625.14x = 14,591,664.11
  5. Step 5: Solve for x
    x = 14,591,664.11/5,625.14
  6. Step 6: Final answer
    x = 2,594.01

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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.