Home / 7,020.63-10,532.68-2,090.25

Finding the Fourth Proportional to 7,020.63, 10,532.68 and 2,090.25

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Solution

The fourth proportional to 7,020.63, 10,532.68 and 2,090.25 is: 3,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.63 : 10,532.68 = 2,090.25 : x
  2. Step 2: Convert to fraction form
    7,020.63/10,532.68 = 2,090.25/x
  3. Step 3: Cross multiply
    7,020.63x = 10,532.68 × 2,090.25
  4. Step 4: Simplify right side
    7,020.63x = 22,015,934.37
  5. Step 5: Solve for x
    x = 22,015,934.37/7,020.63
  6. Step 6: Final answer
    x = 3,135.89

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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.