Home / 7,107.21-10,660.88-2,723.63

Finding the Fourth Proportional to 7,107.21, 10,660.88 and 2,723.63

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Solution

The fourth proportional to 7,107.21, 10,660.88 and 2,723.63 is: 4,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.21 : 10,660.88 = 2,723.63 : x
  2. Step 2: Convert to fraction form
    7,107.21/10,660.88 = 2,723.63/x
  3. Step 3: Cross multiply
    7,107.21x = 10,660.88 × 2,723.63
  4. Step 4: Simplify right side
    7,107.21x = 29,036,246.10
  5. Step 5: Solve for x
    x = 29,036,246.10/7,107.21
  6. Step 6: Final answer
    x = 4,085.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.