Home / 3,288.03-4,931.38-1,207.32

Finding the Fourth Proportional to 3,288.03, 4,931.38 and 1,207.32

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Solution

The fourth proportional to 3,288.03, 4,931.38 and 1,207.32 is: 1,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.03 : 4,931.38 = 1,207.32 : x
  2. Step 2: Convert to fraction form
    3,288.03/4,931.38 = 1,207.32/x
  3. Step 3: Cross multiply
    3,288.03x = 4,931.38 × 1,207.32
  4. Step 4: Simplify right side
    3,288.03x = 5,953,753.70
  5. Step 5: Solve for x
    x = 5,953,753.70/3,288.03
  6. Step 6: Final answer
    x = 1,810.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.