Home / 7,020.74-10,530.93-2,090.42

Finding the Fourth Proportional to 7,020.74, 10,530.93 and 2,090.42

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Solution

The fourth proportional to 7,020.74, 10,530.93 and 2,090.42 is: 3,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.74 : 10,530.93 = 2,090.42 : x
  2. Step 2: Convert to fraction form
    7,020.74/10,530.93 = 2,090.42/x
  3. Step 3: Cross multiply
    7,020.74x = 10,530.93 × 2,090.42
  4. Step 4: Simplify right side
    7,020.74x = 22,014,066.69
  5. Step 5: Solve for x
    x = 22,014,066.69/7,020.74
  6. Step 6: Final answer
    x = 3,135.58

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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.