Home / 4,797.11-7,147.65-4,279.52

Finding the Fourth Proportional to 4,797.11, 7,147.65 and 4,279.52

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Solution

The fourth proportional to 4,797.11, 7,147.65 and 4,279.52 is: 6,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.11 : 7,147.65 = 4,279.52 : x
  2. Step 2: Convert to fraction form
    4,797.11/7,147.65 = 4,279.52/x
  3. Step 3: Cross multiply
    4,797.11x = 7,147.65 × 4,279.52
  4. Step 4: Simplify right side
    4,797.11x = 30,588,475.39
  5. Step 5: Solve for x
    x = 30,588,475.39/4,797.11
  6. Step 6: Final answer
    x = 6,376.44

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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.