Home / 4,114.47-5,671.13-2,917.91

Finding the Fourth Proportional to 4,114.47, 5,671.13 and 2,917.91

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Solution

The fourth proportional to 4,114.47, 5,671.13 and 2,917.91 is: 4,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.47 : 5,671.13 = 2,917.91 : x
  2. Step 2: Convert to fraction form
    4,114.47/5,671.13 = 2,917.91/x
  3. Step 3: Cross multiply
    4,114.47x = 5,671.13 × 2,917.91
  4. Step 4: Simplify right side
    4,114.47x = 16,547,803.99
  5. Step 5: Solve for x
    x = 16,547,803.99/4,114.47
  6. Step 6: Final answer
    x = 4,021.86

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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.