Home / 7,657.52-11,486.72-2,975.96

Finding the Fourth Proportional to 7,657.52, 11,486.72 and 2,975.96

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Solution

The fourth proportional to 7,657.52, 11,486.72 and 2,975.96 is: 4,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.52 : 11,486.72 = 2,975.96 : x
  2. Step 2: Convert to fraction form
    7,657.52/11,486.72 = 2,975.96/x
  3. Step 3: Cross multiply
    7,657.52x = 11,486.72 × 2,975.96
  4. Step 4: Simplify right side
    7,657.52x = 34,184,055.41
  5. Step 5: Solve for x
    x = 34,184,055.41/7,657.52
  6. Step 6: Final answer
    x = 4,464.12

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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.