Home / 1,816.08-2,506.94-1,374.12

Finding the Fourth Proportional to 1,816.08, 2,506.94 and 1,374.12

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Solution

The fourth proportional to 1,816.08, 2,506.94 and 1,374.12 is: 1,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.08 : 2,506.94 = 1,374.12 : x
  2. Step 2: Convert to fraction form
    1,816.08/2,506.94 = 1,374.12/x
  3. Step 3: Cross multiply
    1,816.08x = 2,506.94 × 1,374.12
  4. Step 4: Simplify right side
    1,816.08x = 3,444,836.39
  5. Step 5: Solve for x
    x = 3,444,836.39/1,816.08
  6. Step 6: Final answer
    x = 1,896.85

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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.