Home / 2,940.04-4,056.08-1,892.70

Finding the Fourth Proportional to 2,940.04, 4,056.08 and 1,892.70

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Solution

The fourth proportional to 2,940.04, 4,056.08 and 1,892.70 is: 2,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.04 : 4,056.08 = 1,892.70 : x
  2. Step 2: Convert to fraction form
    2,940.04/4,056.08 = 1,892.70/x
  3. Step 3: Cross multiply
    2,940.04x = 4,056.08 × 1,892.70
  4. Step 4: Simplify right side
    2,940.04x = 7,676,942.62
  5. Step 5: Solve for x
    x = 7,676,942.62/2,940.04
  6. Step 6: Final answer
    x = 2,611.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.