Home / 4,749.14-7,121.37-1,461.35

Finding the Fourth Proportional to 4,749.14, 7,121.37 and 1,461.35

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Solution

The fourth proportional to 4,749.14, 7,121.37 and 1,461.35 is: 2,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.14 : 7,121.37 = 1,461.35 : x
  2. Step 2: Convert to fraction form
    4,749.14/7,121.37 = 1,461.35/x
  3. Step 3: Cross multiply
    4,749.14x = 7,121.37 × 1,461.35
  4. Step 4: Simplify right side
    4,749.14x = 10,406,814.05
  5. Step 5: Solve for x
    x = 10,406,814.05/4,749.14
  6. Step 6: Final answer
    x = 2,191.30

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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.