Home / 5,720.07-8,582.32-2,209.10

Finding the Fourth Proportional to 5,720.07, 8,582.32 and 2,209.10

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Solution

The fourth proportional to 5,720.07, 8,582.32 and 2,209.10 is: 3,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.07 : 8,582.32 = 2,209.10 : x
  2. Step 2: Convert to fraction form
    5,720.07/8,582.32 = 2,209.10/x
  3. Step 3: Cross multiply
    5,720.07x = 8,582.32 × 2,209.10
  4. Step 4: Simplify right side
    5,720.07x = 18,959,177.78
  5. Step 5: Solve for x
    x = 18,959,177.78/5,720.07
  6. Step 6: Final answer
    x = 3,314.50

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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.