Home / 5,918.30-8,876.76-4,937.36

Finding the Fourth Proportional to 5,918.30, 8,876.76 and 4,937.36

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Solution

The fourth proportional to 5,918.30, 8,876.76 and 4,937.36 is: 7,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.30 : 8,876.76 = 4,937.36 : x
  2. Step 2: Convert to fraction form
    5,918.30/8,876.76 = 4,937.36/x
  3. Step 3: Cross multiply
    5,918.30x = 8,876.76 × 4,937.36
  4. Step 4: Simplify right side
    5,918.30x = 43,827,696.85
  5. Step 5: Solve for x
    x = 43,827,696.85/5,918.30
  6. Step 6: Final answer
    x = 7,405.46

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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.