Home / 5,533.60-8,305.80-2,763.40

Finding the Fourth Proportional to 5,533.60, 8,305.80 and 2,763.40

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Solution

The fourth proportional to 5,533.60, 8,305.80 and 2,763.40 is: 4,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.60 : 8,305.80 = 2,763.40 : x
  2. Step 2: Convert to fraction form
    5,533.60/8,305.80 = 2,763.40/x
  3. Step 3: Cross multiply
    5,533.60x = 8,305.80 × 2,763.40
  4. Step 4: Simplify right side
    5,533.60x = 22,952,247.72
  5. Step 5: Solve for x
    x = 22,952,247.72/5,533.60
  6. Step 6: Final answer
    x = 4,147.80

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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.