Home / 4,992.04-6,889.14-3,078.28

Finding the Fourth Proportional to 4,992.04, 6,889.14 and 3,078.28

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Solution

The fourth proportional to 4,992.04, 6,889.14 and 3,078.28 is: 4,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.04 : 6,889.14 = 3,078.28 : x
  2. Step 2: Convert to fraction form
    4,992.04/6,889.14 = 3,078.28/x
  3. Step 3: Cross multiply
    4,992.04x = 6,889.14 × 3,078.28
  4. Step 4: Simplify right side
    4,992.04x = 21,206,701.88
  5. Step 5: Solve for x
    x = 21,206,701.88/4,992.04
  6. Step 6: Final answer
    x = 4,248.10

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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.