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Finding the Fourth Proportional to 2,892.71, 4,338.52 and 1,410.45

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Solution

The fourth proportional to 2,892.71, 4,338.52 and 1,410.45 is: 2,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.71 : 4,338.52 = 1,410.45 : x
  2. Step 2: Convert to fraction form
    2,892.71/4,338.52 = 1,410.45/x
  3. Step 3: Cross multiply
    2,892.71x = 4,338.52 × 1,410.45
  4. Step 4: Simplify right side
    2,892.71x = 6,119,243.84
  5. Step 5: Solve for x
    x = 6,119,243.84/2,892.71
  6. Step 6: Final answer
    x = 2,115.40

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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.