Home / 4,607.20-6,908.10-3,148.12

Finding the Fourth Proportional to 4,607.20, 6,908.10 and 3,148.12

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Solution

The fourth proportional to 4,607.20, 6,908.10 and 3,148.12 is: 4,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.20 : 6,908.10 = 3,148.12 : x
  2. Step 2: Convert to fraction form
    4,607.20/6,908.10 = 3,148.12/x
  3. Step 3: Cross multiply
    4,607.20x = 6,908.10 × 3,148.12
  4. Step 4: Simplify right side
    4,607.20x = 21,747,527.77
  5. Step 5: Solve for x
    x = 21,747,527.77/4,607.20
  6. Step 6: Final answer
    x = 4,720.34

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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.