Home / 4,976.91-7,465.82-2,379.84

Finding the Fourth Proportional to 4,976.91, 7,465.82 and 2,379.84

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Solution

The fourth proportional to 4,976.91, 7,465.82 and 2,379.84 is: 3,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.91 : 7,465.82 = 2,379.84 : x
  2. Step 2: Convert to fraction form
    4,976.91/7,465.82 = 2,379.84/x
  3. Step 3: Cross multiply
    4,976.91x = 7,465.82 × 2,379.84
  4. Step 4: Simplify right side
    4,976.91x = 17,767,445.17
  5. Step 5: Solve for x
    x = 17,767,445.17/4,976.91
  6. Step 6: Final answer
    x = 3,569.98

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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.