Home / 4,976.40-7,464.60-1,513.20

Finding the Fourth Proportional to 4,976.40, 7,464.60 and 1,513.20

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Solution

The fourth proportional to 4,976.40, 7,464.60 and 1,513.20 is: 2,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.40 : 7,464.60 = 1,513.20 : x
  2. Step 2: Convert to fraction form
    4,976.40/7,464.60 = 1,513.20/x
  3. Step 3: Cross multiply
    4,976.40x = 7,464.60 × 1,513.20
  4. Step 4: Simplify right side
    4,976.40x = 11,295,432.72
  5. Step 5: Solve for x
    x = 11,295,432.72/4,976.40
  6. Step 6: Final answer
    x = 2,269.80

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Similar ratio
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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.