Home / 1,940.51-2,677.94-1,056.32

Finding the Fourth Proportional to 1,940.51, 2,677.94 and 1,056.32

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Solution

The fourth proportional to 1,940.51, 2,677.94 and 1,056.32 is: 1,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.51 : 2,677.94 = 1,056.32 : x
  2. Step 2: Convert to fraction form
    1,940.51/2,677.94 = 1,056.32/x
  3. Step 3: Cross multiply
    1,940.51x = 2,677.94 × 1,056.32
  4. Step 4: Simplify right side
    1,940.51x = 2,828,770.92
  5. Step 5: Solve for x
    x = 2,828,770.92/1,940.51
  6. Step 6: Final answer
    x = 1,457.74

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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.