Home / 3,034.91-4,187.75-1,690.52

Finding the Fourth Proportional to 3,034.91, 4,187.75 and 1,690.52

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Solution

The fourth proportional to 3,034.91, 4,187.75 and 1,690.52 is: 2,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.91 : 4,187.75 = 1,690.52 : x
  2. Step 2: Convert to fraction form
    3,034.91/4,187.75 = 1,690.52/x
  3. Step 3: Cross multiply
    3,034.91x = 4,187.75 × 1,690.52
  4. Step 4: Simplify right side
    3,034.91x = 7,079,445.74
  5. Step 5: Solve for x
    x = 7,079,445.74/3,034.91
  6. Step 6: Final answer
    x = 2,332.67

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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.