Home / 4,979.25-7,468.88-1,516.50

Finding the Fourth Proportional to 4,979.25, 7,468.88 and 1,516.50

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Solution

The fourth proportional to 4,979.25, 7,468.88 and 1,516.50 is: 2,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.25 : 7,468.88 = 1,516.50 : x
  2. Step 2: Convert to fraction form
    4,979.25/7,468.88 = 1,516.50/x
  3. Step 3: Cross multiply
    4,979.25x = 7,468.88 × 1,516.50
  4. Step 4: Simplify right side
    4,979.25x = 11,326,548.94
  5. Step 5: Solve for x
    x = 11,326,548.94/4,979.25
  6. Step 6: Final answer
    x = 2,274.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.