Home / 5,533.20-8,287.50-3,187.68

Finding the Fourth Proportional to 5,533.20, 8,287.50 and 3,187.68

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Solution

The fourth proportional to 5,533.20, 8,287.50 and 3,187.68 is: 4,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.20 : 8,287.50 = 3,187.68 : x
  2. Step 2: Convert to fraction form
    5,533.20/8,287.50 = 3,187.68/x
  3. Step 3: Cross multiply
    5,533.20x = 8,287.50 × 3,187.68
  4. Step 4: Simplify right side
    5,533.20x = 26,417,898
  5. Step 5: Solve for x
    x = 26,417,898/5,533.20
  6. Step 6: Final answer
    x = 4,774.43

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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.