Home / 5,055.16-6,976.17-2,786.58

Finding the Fourth Proportional to 5,055.16, 6,976.17 and 2,786.58

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Solution

The fourth proportional to 5,055.16, 6,976.17 and 2,786.58 is: 3,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.16 : 6,976.17 = 2,786.58 : x
  2. Step 2: Convert to fraction form
    5,055.16/6,976.17 = 2,786.58/x
  3. Step 3: Cross multiply
    5,055.16x = 6,976.17 × 2,786.58
  4. Step 4: Simplify right side
    5,055.16x = 19,439,636.19
  5. Step 5: Solve for x
    x = 19,439,636.19/5,055.16
  6. Step 6: Final answer
    x = 3,845.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.