Home / 5,700.45-8,544.60-2,189.10

Finding the Fourth Proportional to 5,700.45, 8,544.60 and 2,189.10

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Solution

The fourth proportional to 5,700.45, 8,544.60 and 2,189.10 is: 3,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.45 : 8,544.60 = 2,189.10 : x
  2. Step 2: Convert to fraction form
    5,700.45/8,544.60 = 2,189.10/x
  3. Step 3: Cross multiply
    5,700.45x = 8,544.60 × 2,189.10
  4. Step 4: Simplify right side
    5,700.45x = 18,704,983.86
  5. Step 5: Solve for x
    x = 18,704,983.86/5,700.45
  6. Step 6: Final answer
    x = 3,281.32

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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.