Home / 2,213.45-3,053.44-1,374.65

Finding the Fourth Proportional to 2,213.45, 3,053.44 and 1,374.65

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Solution

The fourth proportional to 2,213.45, 3,053.44 and 1,374.65 is: 1,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.45 : 3,053.44 = 1,374.65 : x
  2. Step 2: Convert to fraction form
    2,213.45/3,053.44 = 1,374.65/x
  3. Step 3: Cross multiply
    2,213.45x = 3,053.44 × 1,374.65
  4. Step 4: Simplify right side
    2,213.45x = 4,197,411.30
  5. Step 5: Solve for x
    x = 4,197,411.30/2,213.45
  6. Step 6: Final answer
    x = 1,896.32

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Double scale
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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.