Home / 7,332.35-10,118.60-3,975.13

Finding the Fourth Proportional to 7,332.35, 10,118.60 and 3,975.13

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Solution

The fourth proportional to 7,332.35, 10,118.60 and 3,975.13 is: 5,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.35 : 10,118.60 = 3,975.13 : x
  2. Step 2: Convert to fraction form
    7,332.35/10,118.60 = 3,975.13/x
  3. Step 3: Cross multiply
    7,332.35x = 10,118.60 × 3,975.13
  4. Step 4: Simplify right side
    7,332.35x = 40,222,750.42
  5. Step 5: Solve for x
    x = 40,222,750.42/7,332.35
  6. Step 6: Final answer
    x = 5,485.66

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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.