Home / 4,772.10-7,158.27-1,485.12

Finding the Fourth Proportional to 4,772.10, 7,158.27 and 1,485.12

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Solution

The fourth proportional to 4,772.10, 7,158.27 and 1,485.12 is: 2,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.10 : 7,158.27 = 1,485.12 : x
  2. Step 2: Convert to fraction form
    4,772.10/7,158.27 = 1,485.12/x
  3. Step 3: Cross multiply
    4,772.10x = 7,158.27 × 1,485.12
  4. Step 4: Simplify right side
    4,772.10x = 10,630,889.94
  5. Step 5: Solve for x
    x = 10,630,889.94/4,772.10
  6. Step 6: Final answer
    x = 2,227.72

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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.