Home / 4,892.20-7,341.64-1,970.73

Finding the Fourth Proportional to 4,892.20, 7,341.64 and 1,970.73

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Solution

The fourth proportional to 4,892.20, 7,341.64 and 1,970.73 is: 2,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.20 : 7,341.64 = 1,970.73 : x
  2. Step 2: Convert to fraction form
    4,892.20/7,341.64 = 1,970.73/x
  3. Step 3: Cross multiply
    4,892.20x = 7,341.64 × 1,970.73
  4. Step 4: Simplify right side
    4,892.20x = 14,468,385.27
  5. Step 5: Solve for x
    x = 14,468,385.27/4,892.20
  6. Step 6: Final answer
    x = 2,957.44

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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.