Home / 5,281.14-7,286.88-3,580.25

Finding the Fourth Proportional to 5,281.14, 7,286.88 and 3,580.25

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Solution

The fourth proportional to 5,281.14, 7,286.88 and 3,580.25 is: 4,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.14 : 7,286.88 = 3,580.25 : x
  2. Step 2: Convert to fraction form
    5,281.14/7,286.88 = 3,580.25/x
  3. Step 3: Cross multiply
    5,281.14x = 7,286.88 × 3,580.25
  4. Step 4: Simplify right side
    5,281.14x = 26,088,815.69
  5. Step 5: Solve for x
    x = 26,088,815.69/5,281.14
  6. Step 6: Final answer
    x = 4,940.00

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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.