Home / 4,911.32-7,368.57-2,936.64

Finding the Fourth Proportional to 4,911.32, 7,368.57 and 2,936.64

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Solution

The fourth proportional to 4,911.32, 7,368.57 and 2,936.64 is: 4,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.32 : 7,368.57 = 2,936.64 : x
  2. Step 2: Convert to fraction form
    4,911.32/7,368.57 = 2,936.64/x
  3. Step 3: Cross multiply
    4,911.32x = 7,368.57 × 2,936.64
  4. Step 4: Simplify right side
    4,911.32x = 21,638,837.40
  5. Step 5: Solve for x
    x = 21,638,837.40/4,911.32
  6. Step 6: Final answer
    x = 4,405.92

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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.