Home / 3,931.92-5,867.46-3,495.60

Finding the Fourth Proportional to 3,931.92, 5,867.46 and 3,495.60

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Solution

The fourth proportional to 3,931.92, 5,867.46 and 3,495.60 is: 5,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.92 : 5,867.46 = 3,495.60 : x
  2. Step 2: Convert to fraction form
    3,931.92/5,867.46 = 3,495.60/x
  3. Step 3: Cross multiply
    3,931.92x = 5,867.46 × 3,495.60
  4. Step 4: Simplify right side
    3,931.92x = 20,510,293.18
  5. Step 5: Solve for x
    x = 20,510,293.18/3,931.92
  6. Step 6: Final answer
    x = 5,216.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.