Home / 5,445.87-8,170.40-1,748.01

Finding the Fourth Proportional to 5,445.87, 8,170.40 and 1,748.01

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Solution

The fourth proportional to 5,445.87, 8,170.40 and 1,748.01 is: 2,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.87 : 8,170.40 = 1,748.01 : x
  2. Step 2: Convert to fraction form
    5,445.87/8,170.40 = 1,748.01/x
  3. Step 3: Cross multiply
    5,445.87x = 8,170.40 × 1,748.01
  4. Step 4: Simplify right side
    5,445.87x = 14,281,940.90
  5. Step 5: Solve for x
    x = 14,281,940.90/5,445.87
  6. Step 6: Final answer
    x = 2,622.53

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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.