Home / 2,917.64-4,026.40-1,591.35

Finding the Fourth Proportional to 2,917.64, 4,026.40 and 1,591.35

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Solution

The fourth proportional to 2,917.64, 4,026.40 and 1,591.35 is: 2,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.64 : 4,026.40 = 1,591.35 : x
  2. Step 2: Convert to fraction form
    2,917.64/4,026.40 = 1,591.35/x
  3. Step 3: Cross multiply
    2,917.64x = 4,026.40 × 1,591.35
  4. Step 4: Simplify right side
    2,917.64x = 6,407,411.64
  5. Step 5: Solve for x
    x = 6,407,411.64/2,917.64
  6. Step 6: Final answer
    x = 2,196.09

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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.