Home / 4,979.04-7,467.60-1,515.84

Finding the Fourth Proportional to 4,979.04, 7,467.60 and 1,515.84

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Solution

The fourth proportional to 4,979.04, 7,467.60 and 1,515.84 is: 2,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.04 : 7,467.60 = 1,515.84 : x
  2. Step 2: Convert to fraction form
    4,979.04/7,467.60 = 1,515.84/x
  3. Step 3: Cross multiply
    4,979.04x = 7,467.60 × 1,515.84
  4. Step 4: Simplify right side
    4,979.04x = 11,319,686.78
  5. Step 5: Solve for x
    x = 11,319,686.78/4,979.04
  6. Step 6: Final answer
    x = 2,273.47

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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.