Home / 2,051.78-2,827.44-1,913.27

Finding the Fourth Proportional to 2,051.78, 2,827.44 and 1,913.27

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Solution

The fourth proportional to 2,051.78, 2,827.44 and 1,913.27 is: 2,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.78 : 2,827.44 = 1,913.27 : x
  2. Step 2: Convert to fraction form
    2,051.78/2,827.44 = 1,913.27/x
  3. Step 3: Cross multiply
    2,051.78x = 2,827.44 × 1,913.27
  4. Step 4: Simplify right side
    2,051.78x = 5,409,641.99
  5. Step 5: Solve for x
    x = 5,409,641.99/2,051.78
  6. Step 6: Final answer
    x = 2,636.57

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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.