Home / 7,532.36-11,298.64-1,985.75

Finding the Fourth Proportional to 7,532.36, 11,298.64 and 1,985.75

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Solution

The fourth proportional to 7,532.36, 11,298.64 and 1,985.75 is: 2,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,532.36 : 11,298.64 = 1,985.75 : x
  2. Step 2: Convert to fraction form
    7,532.36/11,298.64 = 1,985.75/x
  3. Step 3: Cross multiply
    7,532.36x = 11,298.64 × 1,985.75
  4. Step 4: Simplify right side
    7,532.36x = 22,436,274.38
  5. Step 5: Solve for x
    x = 22,436,274.38/7,532.36
  6. Step 6: Final answer
    x = 2,978.65

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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.