Home / 7,103.79-9,805.23-4,451.04

Finding the Fourth Proportional to 7,103.79, 9,805.23 and 4,451.04

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Solution

The fourth proportional to 7,103.79, 9,805.23 and 4,451.04 is: 6,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.79 : 9,805.23 = 4,451.04 : x
  2. Step 2: Convert to fraction form
    7,103.79/9,805.23 = 4,451.04/x
  3. Step 3: Cross multiply
    7,103.79x = 9,805.23 × 4,451.04
  4. Step 4: Simplify right side
    7,103.79x = 43,643,470.94
  5. Step 5: Solve for x
    x = 43,643,470.94/7,103.79
  6. Step 6: Final answer
    x = 6,143.69

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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.