Home / 5,207.08-7,811.40-1,695.94

Finding the Fourth Proportional to 5,207.08, 7,811.40 and 1,695.94

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Solution

The fourth proportional to 5,207.08, 7,811.40 and 1,695.94 is: 2,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.08 : 7,811.40 = 1,695.94 : x
  2. Step 2: Convert to fraction form
    5,207.08/7,811.40 = 1,695.94/x
  3. Step 3: Cross multiply
    5,207.08x = 7,811.40 × 1,695.94
  4. Step 4: Simplify right side
    5,207.08x = 13,247,665.72
  5. Step 5: Solve for x
    x = 13,247,665.72/5,207.08
  6. Step 6: Final answer
    x = 2,544.16

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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.