Home / 7,587.72-11,382.93-2,657.52

Finding the Fourth Proportional to 7,587.72, 11,382.93 and 2,657.52

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Solution

The fourth proportional to 7,587.72, 11,382.93 and 2,657.52 is: 3,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.72 : 11,382.93 = 2,657.52 : x
  2. Step 2: Convert to fraction form
    7,587.72/11,382.93 = 2,657.52/x
  3. Step 3: Cross multiply
    7,587.72x = 11,382.93 × 2,657.52
  4. Step 4: Simplify right side
    7,587.72x = 30,250,364.13
  5. Step 5: Solve for x
    x = 30,250,364.13/7,587.72
  6. Step 6: Final answer
    x = 3,986.75

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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.