Home / 7,194.88-9,929.82-4,051

Finding the Fourth Proportional to 7,194.88, 9,929.82 and 4,051

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Solution

The fourth proportional to 7,194.88, 9,929.82 and 4,051 is: 5,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.88 : 9,929.82 = 4,051 : x
  2. Step 2: Convert to fraction form
    7,194.88/9,929.82 = 4,051/x
  3. Step 3: Cross multiply
    7,194.88x = 9,929.82 × 4,051
  4. Step 4: Simplify right side
    7,194.88x = 40,225,700.82
  5. Step 5: Solve for x
    x = 40,225,700.82/7,194.88
  6. Step 6: Final answer
    x = 5,590.88

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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.