Home / 4,844.68-6,686.58-3,078.28

Finding the Fourth Proportional to 4,844.68, 6,686.58 and 3,078.28

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Solution

The fourth proportional to 4,844.68, 6,686.58 and 3,078.28 is: 4,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,844.68 : 6,686.58 = 3,078.28 : x
  2. Step 2: Convert to fraction form
    4,844.68/6,686.58 = 3,078.28/x
  3. Step 3: Cross multiply
    4,844.68x = 6,686.58 × 3,078.28
  4. Step 4: Simplify right side
    4,844.68x = 20,583,165.48
  5. Step 5: Solve for x
    x = 20,583,165.48/4,844.68
  6. Step 6: Final answer
    x = 4,248.61

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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.