Home / 7,178.92-9,908.49-4,529.91

Finding the Fourth Proportional to 7,178.92, 9,908.49 and 4,529.91

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Solution

The fourth proportional to 7,178.92, 9,908.49 and 4,529.91 is: 6,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.92 : 9,908.49 = 4,529.91 : x
  2. Step 2: Convert to fraction form
    7,178.92/9,908.49 = 4,529.91/x
  3. Step 3: Cross multiply
    7,178.92x = 9,908.49 × 4,529.91
  4. Step 4: Simplify right side
    7,178.92x = 44,884,567.94
  5. Step 5: Solve for x
    x = 44,884,567.94/7,178.92
  6. Step 6: Final answer
    x = 6,252.27

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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.