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Finding the Fourth Proportional to 5,720.58, 8,584.04 and 2,798.91

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Solution

The fourth proportional to 5,720.58, 8,584.04 and 2,798.91 is: 4,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.58 : 8,584.04 = 2,798.91 : x
  2. Step 2: Convert to fraction form
    5,720.58/8,584.04 = 2,798.91/x
  3. Step 3: Cross multiply
    5,720.58x = 8,584.04 × 2,798.91
  4. Step 4: Simplify right side
    5,720.58x = 24,025,955.40
  5. Step 5: Solve for x
    x = 24,025,955.40/5,720.58
  6. Step 6: Final answer
    x = 4,199.92

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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.