Home / 4,957.47-7,429.32-2,179.98

Finding the Fourth Proportional to 4,957.47, 7,429.32 and 2,179.98

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Solution

The fourth proportional to 4,957.47, 7,429.32 and 2,179.98 is: 3,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.47 : 7,429.32 = 2,179.98 : x
  2. Step 2: Convert to fraction form
    4,957.47/7,429.32 = 2,179.98/x
  3. Step 3: Cross multiply
    4,957.47x = 7,429.32 × 2,179.98
  4. Step 4: Simplify right side
    4,957.47x = 16,195,769.01
  5. Step 5: Solve for x
    x = 16,195,769.01/4,957.47
  6. Step 6: Final answer
    x = 3,266.94

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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.