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Finding the Fourth Proportional to 5,573.90, 8,357.88 and 1,874.90

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Solution

The fourth proportional to 5,573.90, 8,357.88 and 1,874.90 is: 2,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.90 : 8,357.88 = 1,874.90 : x
  2. Step 2: Convert to fraction form
    5,573.90/8,357.88 = 1,874.90/x
  3. Step 3: Cross multiply
    5,573.90x = 8,357.88 × 1,874.90
  4. Step 4: Simplify right side
    5,573.90x = 15,670,189.21
  5. Step 5: Solve for x
    x = 15,670,189.21/5,573.90
  6. Step 6: Final answer
    x = 2,811.35

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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.