Home / 3,023.69-4,172.39-1,697.13

Finding the Fourth Proportional to 3,023.69, 4,172.39 and 1,697.13

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Solution

The fourth proportional to 3,023.69, 4,172.39 and 1,697.13 is: 2,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.69 : 4,172.39 = 1,697.13 : x
  2. Step 2: Convert to fraction form
    3,023.69/4,172.39 = 1,697.13/x
  3. Step 3: Cross multiply
    3,023.69x = 4,172.39 × 1,697.13
  4. Step 4: Simplify right side
    3,023.69x = 7,081,079.76
  5. Step 5: Solve for x
    x = 7,081,079.76/3,023.69
  6. Step 6: Final answer
    x = 2,341.87

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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.