Home / 3,107.43-4,631.58-2,932.47

Finding the Fourth Proportional to 3,107.43, 4,631.58 and 2,932.47

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Solution

The fourth proportional to 3,107.43, 4,631.58 and 2,932.47 is: 4,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.43 : 4,631.58 = 2,932.47 : x
  2. Step 2: Convert to fraction form
    3,107.43/4,631.58 = 2,932.47/x
  3. Step 3: Cross multiply
    3,107.43x = 4,631.58 × 2,932.47
  4. Step 4: Simplify right side
    3,107.43x = 13,581,969.40
  5. Step 5: Solve for x
    x = 13,581,969.40/3,107.43
  6. Step 6: Final answer
    x = 4,370.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.