Home / 1,893.19-2,612.57-1,053.89

Finding the Fourth Proportional to 1,893.19, 2,612.57 and 1,053.89

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Solution

The fourth proportional to 1,893.19, 2,612.57 and 1,053.89 is: 1,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.19 : 2,612.57 = 1,053.89 : x
  2. Step 2: Convert to fraction form
    1,893.19/2,612.57 = 1,053.89/x
  3. Step 3: Cross multiply
    1,893.19x = 2,612.57 × 1,053.89
  4. Step 4: Simplify right side
    1,893.19x = 2,753,360.42
  5. Step 5: Solve for x
    x = 2,753,360.42/1,893.19
  6. Step 6: Final answer
    x = 1,454.35

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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.