Home / 3,281.34-4,529.68-2,286.24

Finding the Fourth Proportional to 3,281.34, 4,529.68 and 2,286.24

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Solution

The fourth proportional to 3,281.34, 4,529.68 and 2,286.24 is: 3,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.34 : 4,529.68 = 2,286.24 : x
  2. Step 2: Convert to fraction form
    3,281.34/4,529.68 = 2,286.24/x
  3. Step 3: Cross multiply
    3,281.34x = 4,529.68 × 2,286.24
  4. Step 4: Simplify right side
    3,281.34x = 10,355,935.60
  5. Step 5: Solve for x
    x = 10,355,935.60/3,281.34
  6. Step 6: Final answer
    x = 3,156.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.