Home / 7,118.73-10,678.40-2,675.94

Finding the Fourth Proportional to 7,118.73, 10,678.40 and 2,675.94

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Solution

The fourth proportional to 7,118.73, 10,678.40 and 2,675.94 is: 4,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.73 : 10,678.40 = 2,675.94 : x
  2. Step 2: Convert to fraction form
    7,118.73/10,678.40 = 2,675.94/x
  3. Step 3: Cross multiply
    7,118.73x = 10,678.40 × 2,675.94
  4. Step 4: Simplify right side
    7,118.73x = 28,574,744.32
  5. Step 5: Solve for x
    x = 28,574,744.32/7,118.73
  6. Step 6: Final answer
    x = 4,014.02

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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.