Home / 7,020.45-10,530.93-2,276.51

Finding the Fourth Proportional to 7,020.45, 10,530.93 and 2,276.51

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Solution

The fourth proportional to 7,020.45, 10,530.93 and 2,276.51 is: 3,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.45 : 10,530.93 = 2,276.51 : x
  2. Step 2: Convert to fraction form
    7,020.45/10,530.93 = 2,276.51/x
  3. Step 3: Cross multiply
    7,020.45x = 10,530.93 × 2,276.51
  4. Step 4: Simplify right side
    7,020.45x = 23,973,703.42
  5. Step 5: Solve for x
    x = 23,973,703.42/7,020.45
  6. Step 6: Final answer
    x = 3,414.84

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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.