Home / 5,282.18-7,920.84-2,973.68

Finding the Fourth Proportional to 5,282.18, 7,920.84 and 2,973.68

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Solution

The fourth proportional to 5,282.18, 7,920.84 and 2,973.68 is: 4,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.18 : 7,920.84 = 2,973.68 : x
  2. Step 2: Convert to fraction form
    5,282.18/7,920.84 = 2,973.68/x
  3. Step 3: Cross multiply
    5,282.18x = 7,920.84 × 2,973.68
  4. Step 4: Simplify right side
    5,282.18x = 23,554,043.49
  5. Step 5: Solve for x
    x = 23,554,043.49/5,282.18
  6. Step 6: Final answer
    x = 4,459.15

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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.