Home / 5,706.90-8,556.30-2,195.55

Finding the Fourth Proportional to 5,706.90, 8,556.30 and 2,195.55

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Solution

The fourth proportional to 5,706.90, 8,556.30 and 2,195.55 is: 3,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.90 : 8,556.30 = 2,195.55 : x
  2. Step 2: Convert to fraction form
    5,706.90/8,556.30 = 2,195.55/x
  3. Step 3: Cross multiply
    5,706.90x = 8,556.30 × 2,195.55
  4. Step 4: Simplify right side
    5,706.90x = 18,785,784.47
  5. Step 5: Solve for x
    x = 18,785,784.47/5,706.90
  6. Step 6: Final answer
    x = 3,291.77

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1.5x scale

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.