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Finding the Fourth Proportional to 5,245.90, 7,863.30 and 1,735.00

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Solution

The fourth proportional to 5,245.90, 7,863.30 and 1,735.00 is: 2,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.90 : 7,863.30 = 1,735.00 : x
  2. Step 2: Convert to fraction form
    5,245.90/7,863.30 = 1,735.00/x
  3. Step 3: Cross multiply
    5,245.90x = 7,863.30 × 1,735.00
  4. Step 4: Simplify right side
    5,245.90x = 13,642,854.95
  5. Step 5: Solve for x
    x = 13,642,854.95/5,245.90
  6. Step 6: Final answer
    x = 2,600.67

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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.