Home / 3,490.04-4,816.22-1,896.70

Finding the Fourth Proportional to 3,490.04, 4,816.22 and 1,896.70

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Solution

The fourth proportional to 3,490.04, 4,816.22 and 1,896.70 is: 2,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.04 : 4,816.22 = 1,896.70 : x
  2. Step 2: Convert to fraction form
    3,490.04/4,816.22 = 1,896.70/x
  3. Step 3: Cross multiply
    3,490.04x = 4,816.22 × 1,896.70
  4. Step 4: Simplify right side
    3,490.04x = 9,134,924.47
  5. Step 5: Solve for x
    x = 9,134,924.47/3,490.04
  6. Step 6: Final answer
    x = 2,617.43

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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.