Home / 7,262.45-10,022.88-4,279.25

Finding the Fourth Proportional to 7,262.45, 10,022.88 and 4,279.25

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Solution

The fourth proportional to 7,262.45, 10,022.88 and 4,279.25 is: 5,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.45 : 10,022.88 = 4,279.25 : x
  2. Step 2: Convert to fraction form
    7,262.45/10,022.88 = 4,279.25/x
  3. Step 3: Cross multiply
    7,262.45x = 10,022.88 × 4,279.25
  4. Step 4: Simplify right side
    7,262.45x = 42,890,359.13
  5. Step 5: Solve for x
    x = 42,890,359.13/7,262.45
  6. Step 6: Final answer
    x = 5,905.77

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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.