Home / 7,904.72-10,908.30-4,367.92

Finding the Fourth Proportional to 7,904.72, 10,908.30 and 4,367.92

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Solution

The fourth proportional to 7,904.72, 10,908.30 and 4,367.92 is: 6,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.72 : 10,908.30 = 4,367.92 : x
  2. Step 2: Convert to fraction form
    7,904.72/10,908.30 = 4,367.92/x
  3. Step 3: Cross multiply
    7,904.72x = 10,908.30 × 4,367.92
  4. Step 4: Simplify right side
    7,904.72x = 47,646,581.74
  5. Step 5: Solve for x
    x = 47,646,581.74/7,904.72
  6. Step 6: Final answer
    x = 6,027.61

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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.