Home / 3,023.98-4,172.87-1,697.88

Finding the Fourth Proportional to 3,023.98, 4,172.87 and 1,697.88

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Solution

The fourth proportional to 3,023.98, 4,172.87 and 1,697.88 is: 2,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.98 : 4,172.87 = 1,697.88 : x
  2. Step 2: Convert to fraction form
    3,023.98/4,172.87 = 1,697.88/x
  3. Step 3: Cross multiply
    3,023.98x = 4,172.87 × 1,697.88
  4. Step 4: Simplify right side
    3,023.98x = 7,085,032.52
  5. Step 5: Solve for x
    x = 7,085,032.52/3,023.98
  6. Step 6: Final answer
    x = 2,342.95

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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.