Home / 4,694.66-6,478.44-2,807.28

Finding the Fourth Proportional to 4,694.66, 6,478.44 and 2,807.28

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Solution

The fourth proportional to 4,694.66, 6,478.44 and 2,807.28 is: 3,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.66 : 6,478.44 = 2,807.28 : x
  2. Step 2: Convert to fraction form
    4,694.66/6,478.44 = 2,807.28/x
  3. Step 3: Cross multiply
    4,694.66x = 6,478.44 × 2,807.28
  4. Step 4: Simplify right side
    4,694.66x = 18,186,795.04
  5. Step 5: Solve for x
    x = 18,186,795.04/4,694.66
  6. Step 6: Final answer
    x = 3,873.94

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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.