Home / 5,206.92-7,178.07-3,712.24

Finding the Fourth Proportional to 5,206.92, 7,178.07 and 3,712.24

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Solution

The fourth proportional to 5,206.92, 7,178.07 and 3,712.24 is: 5,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.92 : 7,178.07 = 3,712.24 : x
  2. Step 2: Convert to fraction form
    5,206.92/7,178.07 = 3,712.24/x
  3. Step 3: Cross multiply
    5,206.92x = 7,178.07 × 3,712.24
  4. Step 4: Simplify right side
    5,206.92x = 26,646,703.88
  5. Step 5: Solve for x
    x = 26,646,703.88/5,206.92
  6. Step 6: Final answer
    x = 5,117.56

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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.