Home / 5,055.94-6,976.98-2,818.06

Finding the Fourth Proportional to 5,055.94, 6,976.98 and 2,818.06

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Solution

The fourth proportional to 5,055.94, 6,976.98 and 2,818.06 is: 3,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.94 : 6,976.98 = 2,818.06 : x
  2. Step 2: Convert to fraction form
    5,055.94/6,976.98 = 2,818.06/x
  3. Step 3: Cross multiply
    5,055.94x = 6,976.98 × 2,818.06
  4. Step 4: Simplify right side
    5,055.94x = 19,661,548.26
  5. Step 5: Solve for x
    x = 19,661,548.26/5,055.94
  6. Step 6: Final answer
    x = 3,888.80

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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.