Home / 3,023.34-4,172.46-1,679.03

Finding the Fourth Proportional to 3,023.34, 4,172.46 and 1,679.03

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Solution

The fourth proportional to 3,023.34, 4,172.46 and 1,679.03 is: 2,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.34 : 4,172.46 = 1,679.03 : x
  2. Step 2: Convert to fraction form
    3,023.34/4,172.46 = 1,679.03/x
  3. Step 3: Cross multiply
    3,023.34x = 4,172.46 × 1,679.03
  4. Step 4: Simplify right side
    3,023.34x = 7,005,697.47
  5. Step 5: Solve for x
    x = 7,005,697.47/3,023.34
  6. Step 6: Final answer
    x = 2,317.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.