Home / 5,055.62-6,976.74-2,817.48

Finding the Fourth Proportional to 5,055.62, 6,976.74 and 2,817.48

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Solution

The fourth proportional to 5,055.62, 6,976.74 and 2,817.48 is: 3,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.62 : 6,976.74 = 2,817.48 : x
  2. Step 2: Convert to fraction form
    5,055.62/6,976.74 = 2,817.48/x
  3. Step 3: Cross multiply
    5,055.62x = 6,976.74 × 2,817.48
  4. Step 4: Simplify right side
    5,055.62x = 19,656,825.42
  5. Step 5: Solve for x
    x = 19,656,825.42/5,055.62
  6. Step 6: Final answer
    x = 3,888.11

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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.