Home / 3,462.71-4,768.79-3,240.36

Finding the Fourth Proportional to 3,462.71, 4,768.79 and 3,240.36

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Solution

The fourth proportional to 3,462.71, 4,768.79 and 3,240.36 is: 4,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.71 : 4,768.79 = 3,240.36 : x
  2. Step 2: Convert to fraction form
    3,462.71/4,768.79 = 3,240.36/x
  3. Step 3: Cross multiply
    3,462.71x = 4,768.79 × 3,240.36
  4. Step 4: Simplify right side
    3,462.71x = 15,452,580.16
  5. Step 5: Solve for x
    x = 15,452,580.16/3,462.71
  6. Step 6: Final answer
    x = 4,462.57

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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.