Home / 3,505.16-4,837.05-1,911.82

Finding the Fourth Proportional to 3,505.16, 4,837.05 and 1,911.82

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Solution

The fourth proportional to 3,505.16, 4,837.05 and 1,911.82 is: 2,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.16 : 4,837.05 = 1,911.82 : x
  2. Step 2: Convert to fraction form
    3,505.16/4,837.05 = 1,911.82/x
  3. Step 3: Cross multiply
    3,505.16x = 4,837.05 × 1,911.82
  4. Step 4: Simplify right side
    3,505.16x = 9,247,535.19
  5. Step 5: Solve for x
    x = 9,247,535.19/3,505.16
  6. Step 6: Final answer
    x = 2,638.27

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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.