Home / 5,706.64-8,561.40-1,811.08

Finding the Fourth Proportional to 5,706.64, 8,561.40 and 1,811.08

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Solution

The fourth proportional to 5,706.64, 8,561.40 and 1,811.08 is: 2,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.64 : 8,561.40 = 1,811.08 : x
  2. Step 2: Convert to fraction form
    5,706.64/8,561.40 = 1,811.08/x
  3. Step 3: Cross multiply
    5,706.64x = 8,561.40 × 1,811.08
  4. Step 4: Simplify right side
    5,706.64x = 15,505,380.31
  5. Step 5: Solve for x
    x = 15,505,380.31/5,706.64
  6. Step 6: Final answer
    x = 2,717.08

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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.