Home / 5,055.04-6,976.52-2,817.12

Finding the Fourth Proportional to 5,055.04, 6,976.52 and 2,817.12

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Solution

The fourth proportional to 5,055.04, 6,976.52 and 2,817.12 is: 3,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.04 : 6,976.52 = 2,817.12 : x
  2. Step 2: Convert to fraction form
    5,055.04/6,976.52 = 2,817.12/x
  3. Step 3: Cross multiply
    5,055.04x = 6,976.52 × 2,817.12
  4. Step 4: Simplify right side
    5,055.04x = 19,653,694.02
  5. Step 5: Solve for x
    x = 19,653,694.02/5,055.04
  6. Step 6: Final answer
    x = 3,887.94

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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.