Home / 5,657.50-8,487.46-1,709.06

Finding the Fourth Proportional to 5,657.50, 8,487.46 and 1,709.06

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Solution

The fourth proportional to 5,657.50, 8,487.46 and 1,709.06 is: 2,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.50 : 8,487.46 = 1,709.06 : x
  2. Step 2: Convert to fraction form
    5,657.50/8,487.46 = 1,709.06/x
  3. Step 3: Cross multiply
    5,657.50x = 8,487.46 × 1,709.06
  4. Step 4: Simplify right side
    5,657.50x = 14,505,557.15
  5. Step 5: Solve for x
    x = 14,505,557.15/5,657.50
  6. Step 6: Final answer
    x = 2,563.95

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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.