Home / 7,332.20-10,118.48-3,975.06

Finding the Fourth Proportional to 7,332.20, 10,118.48 and 3,975.06

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Solution

The fourth proportional to 7,332.20, 10,118.48 and 3,975.06 is: 5,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.20 : 10,118.48 = 3,975.06 : x
  2. Step 2: Convert to fraction form
    7,332.20/10,118.48 = 3,975.06/x
  3. Step 3: Cross multiply
    7,332.20x = 10,118.48 × 3,975.06
  4. Step 4: Simplify right side
    7,332.20x = 40,221,545.23
  5. Step 5: Solve for x
    x = 40,221,545.23/7,332.20
  6. Step 6: Final answer
    x = 5,485.61

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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.