Home / 2,533.19-3,781.45-2,188.74

Finding the Fourth Proportional to 2,533.19, 3,781.45 and 2,188.74

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Solution

The fourth proportional to 2,533.19, 3,781.45 and 2,188.74 is: 3,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,533.19 : 3,781.45 = 2,188.74 : x
  2. Step 2: Convert to fraction form
    2,533.19/3,781.45 = 2,188.74/x
  3. Step 3: Cross multiply
    2,533.19x = 3,781.45 × 2,188.74
  4. Step 4: Simplify right side
    2,533.19x = 8,276,610.87
  5. Step 5: Solve for x
    x = 8,276,610.87/2,533.19
  6. Step 6: Final answer
    x = 3,267.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.