Home / 3,607.71-4,979.41-2,346.57

Finding the Fourth Proportional to 3,607.71, 4,979.41 and 2,346.57

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Solution

The fourth proportional to 3,607.71, 4,979.41 and 2,346.57 is: 3,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.71 : 4,979.41 = 2,346.57 : x
  2. Step 2: Convert to fraction form
    3,607.71/4,979.41 = 2,346.57/x
  3. Step 3: Cross multiply
    3,607.71x = 4,979.41 × 2,346.57
  4. Step 4: Simplify right side
    3,607.71x = 11,684,528.26
  5. Step 5: Solve for x
    x = 11,684,528.26/3,607.71
  6. Step 6: Final answer
    x = 3,238.77

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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.