Home / 7,332.81-10,119.24-3,975.71

Finding the Fourth Proportional to 7,332.81, 10,119.24 and 3,975.71

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Solution

The fourth proportional to 7,332.81, 10,119.24 and 3,975.71 is: 5,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.81 : 10,119.24 = 3,975.71 : x
  2. Step 2: Convert to fraction form
    7,332.81/10,119.24 = 3,975.71/x
  3. Step 3: Cross multiply
    7,332.81x = 10,119.24 × 3,975.71
  4. Step 4: Simplify right side
    7,332.81x = 40,231,113.06
  5. Step 5: Solve for x
    x = 40,231,113.06/7,332.81
  6. Step 6: Final answer
    x = 5,486.45

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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.