Home / 7,585.88-11,376.36-2,905.64

Finding the Fourth Proportional to 7,585.88, 11,376.36 and 2,905.64

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Solution

The fourth proportional to 7,585.88, 11,376.36 and 2,905.64 is: 4,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.88 : 11,376.36 = 2,905.64 : x
  2. Step 2: Convert to fraction form
    7,585.88/11,376.36 = 2,905.64/x
  3. Step 3: Cross multiply
    7,585.88x = 11,376.36 × 2,905.64
  4. Step 4: Simplify right side
    7,585.88x = 33,055,615.60
  5. Step 5: Solve for x
    x = 33,055,615.60/7,585.88
  6. Step 6: Final answer
    x = 4,357.52

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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.