Home / 5,054.72-6,975.32-2,816.55

Finding the Fourth Proportional to 5,054.72, 6,975.32 and 2,816.55

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Solution

The fourth proportional to 5,054.72, 6,975.32 and 2,816.55 is: 3,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.72 : 6,975.32 = 2,816.55 : x
  2. Step 2: Convert to fraction form
    5,054.72/6,975.32 = 2,816.55/x
  3. Step 3: Cross multiply
    5,054.72x = 6,975.32 × 2,816.55
  4. Step 4: Simplify right side
    5,054.72x = 19,646,323.46
  5. Step 5: Solve for x
    x = 19,646,323.46/5,054.72
  6. Step 6: Final answer
    x = 3,886.73

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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.