Home / 4,976.19-7,465.80-2,786.45

Finding the Fourth Proportional to 4,976.19, 7,465.80 and 2,786.45

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Solution

The fourth proportional to 4,976.19, 7,465.80 and 2,786.45 is: 4,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.19 : 7,465.80 = 2,786.45 : x
  2. Step 2: Convert to fraction form
    4,976.19/7,465.80 = 2,786.45/x
  3. Step 3: Cross multiply
    4,976.19x = 7,465.80 × 2,786.45
  4. Step 4: Simplify right side
    4,976.19x = 20,803,041.08
  5. Step 5: Solve for x
    x = 20,803,041.08/4,976.19
  6. Step 6: Final answer
    x = 4,180.52

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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.