Home / 1,969.64-2,715.57-1,614.27

Finding the Fourth Proportional to 1,969.64, 2,715.57 and 1,614.27

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Solution

The fourth proportional to 1,969.64, 2,715.57 and 1,614.27 is: 2,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.64 : 2,715.57 = 1,614.27 : x
  2. Step 2: Convert to fraction form
    1,969.64/2,715.57 = 1,614.27/x
  3. Step 3: Cross multiply
    1,969.64x = 2,715.57 × 1,614.27
  4. Step 4: Simplify right side
    1,969.64x = 4,383,663.18
  5. Step 5: Solve for x
    x = 4,383,663.18/1,969.64
  6. Step 6: Final answer
    x = 2,225.62

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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.