Home / 7,020.15-10,532.33-2,089.95

Finding the Fourth Proportional to 7,020.15, 10,532.33 and 2,089.95

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Solution

The fourth proportional to 7,020.15, 10,532.33 and 2,089.95 is: 3,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.15 : 10,532.33 = 2,089.95 : x
  2. Step 2: Convert to fraction form
    7,020.15/10,532.33 = 2,089.95/x
  3. Step 3: Cross multiply
    7,020.15x = 10,532.33 × 2,089.95
  4. Step 4: Simplify right side
    7,020.15x = 22,012,032.63
  5. Step 5: Solve for x
    x = 22,012,032.63/7,020.15
  6. Step 6: Final answer
    x = 3,135.55

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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.