Home / 1,812.54-2,511.45-1,773.66

Finding the Fourth Proportional to 1,812.54, 2,511.45 and 1,773.66

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Solution

The fourth proportional to 1,812.54, 2,511.45 and 1,773.66 is: 2,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.54 : 2,511.45 = 1,773.66 : x
  2. Step 2: Convert to fraction form
    1,812.54/2,511.45 = 1,773.66/x
  3. Step 3: Cross multiply
    1,812.54x = 2,511.45 × 1,773.66
  4. Step 4: Simplify right side
    1,812.54x = 4,454,458.41
  5. Step 5: Solve for x
    x = 4,454,458.41/1,812.54
  6. Step 6: Final answer
    x = 2,457.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.