Home / 3,023.81-4,172.57-1,697.26

Finding the Fourth Proportional to 3,023.81, 4,172.57 and 1,697.26

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Solution

The fourth proportional to 3,023.81, 4,172.57 and 1,697.26 is: 2,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.81 : 4,172.57 = 1,697.26 : x
  2. Step 2: Convert to fraction form
    3,023.81/4,172.57 = 1,697.26/x
  3. Step 3: Cross multiply
    3,023.81x = 4,172.57 × 1,697.26
  4. Step 4: Simplify right side
    3,023.81x = 7,081,915.30
  5. Step 5: Solve for x
    x = 7,081,915.30/3,023.81
  6. Step 6: Final answer
    x = 2,342.05

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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.