Home / 5,719.80-8,567.28-5,580.42

Finding the Fourth Proportional to 5,719.80, 8,567.28 and 5,580.42

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Solution

The fourth proportional to 5,719.80, 8,567.28 and 5,580.42 is: 8,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.80 : 8,567.28 = 5,580.42 : x
  2. Step 2: Convert to fraction form
    5,719.80/8,567.28 = 5,580.42/x
  3. Step 3: Cross multiply
    5,719.80x = 8,567.28 × 5,580.42
  4. Step 4: Simplify right side
    5,719.80x = 47,809,020.66
  5. Step 5: Solve for x
    x = 47,809,020.66/5,719.80
  6. Step 6: Final answer
    x = 8,358.51

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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.