Home / 7,547.70-11,325.96-3,164.79

Finding the Fourth Proportional to 7,547.70, 11,325.96 and 3,164.79

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Solution

The fourth proportional to 7,547.70, 11,325.96 and 3,164.79 is: 4,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.70 : 11,325.96 = 3,164.79 : x
  2. Step 2: Convert to fraction form
    7,547.70/11,325.96 = 3,164.79/x
  3. Step 3: Cross multiply
    7,547.70x = 11,325.96 × 3,164.79
  4. Step 4: Simplify right side
    7,547.70x = 35,844,284.95
  5. Step 5: Solve for x
    x = 35,844,284.95/7,547.70
  6. Step 6: Final answer
    x = 4,749.03

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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.