Home / 2,742.63-4,110.71-1,009.23

Finding the Fourth Proportional to 2,742.63, 4,110.71 and 1,009.23

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Solution

The fourth proportional to 2,742.63, 4,110.71 and 1,009.23 is: 1,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.63 : 4,110.71 = 1,009.23 : x
  2. Step 2: Convert to fraction form
    2,742.63/4,110.71 = 1,009.23/x
  3. Step 3: Cross multiply
    2,742.63x = 4,110.71 × 1,009.23
  4. Step 4: Simplify right side
    2,742.63x = 4,148,646.81
  5. Step 5: Solve for x
    x = 4,148,646.81/2,742.63
  6. Step 6: Final answer
    x = 1,512.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.