Home / 4,931.68-6,808.08-3,165.92

Finding the Fourth Proportional to 4,931.68, 6,808.08 and 3,165.92

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Solution

The fourth proportional to 4,931.68, 6,808.08 and 3,165.92 is: 4,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.68 : 6,808.08 = 3,165.92 : x
  2. Step 2: Convert to fraction form
    4,931.68/6,808.08 = 3,165.92/x
  3. Step 3: Cross multiply
    4,931.68x = 6,808.08 × 3,165.92
  4. Step 4: Simplify right side
    4,931.68x = 21,553,836.63
  5. Step 5: Solve for x
    x = 21,553,836.63/4,931.68
  6. Step 6: Final answer
    x = 4,370.49

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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.