Home / 3,023.76-4,172.81-1,697.59

Finding the Fourth Proportional to 3,023.76, 4,172.81 and 1,697.59

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Solution

The fourth proportional to 3,023.76, 4,172.81 and 1,697.59 is: 2,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.76 : 4,172.81 = 1,697.59 : x
  2. Step 2: Convert to fraction form
    3,023.76/4,172.81 = 1,697.59/x
  3. Step 3: Cross multiply
    3,023.76x = 4,172.81 × 1,697.59
  4. Step 4: Simplify right side
    3,023.76x = 7,083,720.53
  5. Step 5: Solve for x
    x = 7,083,720.53/3,023.76
  6. Step 6: Final answer
    x = 2,342.69

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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.