Home / 3,023.70-4,172.91-1,697.46

Finding the Fourth Proportional to 3,023.70, 4,172.91 and 1,697.46

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Solution

The fourth proportional to 3,023.70, 4,172.91 and 1,697.46 is: 2,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.70 : 4,172.91 = 1,697.46 : x
  2. Step 2: Convert to fraction form
    3,023.70/4,172.91 = 1,697.46/x
  3. Step 3: Cross multiply
    3,023.70x = 4,172.91 × 1,697.46
  4. Step 4: Simplify right side
    3,023.70x = 7,083,347.81
  5. Step 5: Solve for x
    x = 7,083,347.81/3,023.70
  6. Step 6: Final answer
    x = 2,342.61

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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.