Home / 5,563.20-8,328.60-3,716.40

Finding the Fourth Proportional to 5,563.20, 8,328.60 and 3,716.40

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Solution

The fourth proportional to 5,563.20, 8,328.60 and 3,716.40 is: 5,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.20 : 8,328.60 = 3,716.40 : x
  2. Step 2: Convert to fraction form
    5,563.20/8,328.60 = 3,716.40/x
  3. Step 3: Cross multiply
    5,563.20x = 8,328.60 × 3,716.40
  4. Step 4: Simplify right side
    5,563.20x = 30,952,409.04
  5. Step 5: Solve for x
    x = 30,952,409.04/5,563.20
  6. Step 6: Final answer
    x = 5,563.78

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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.