Home / 6,990.92-10,488.18-2,060.40

Finding the Fourth Proportional to 6,990.92, 10,488.18 and 2,060.40

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Solution

The fourth proportional to 6,990.92, 10,488.18 and 2,060.40 is: 3,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.92 : 10,488.18 = 2,060.40 : x
  2. Step 2: Convert to fraction form
    6,990.92/10,488.18 = 2,060.40/x
  3. Step 3: Cross multiply
    6,990.92x = 10,488.18 × 2,060.40
  4. Step 4: Simplify right side
    6,990.92x = 21,609,846.07
  5. Step 5: Solve for x
    x = 21,609,846.07/6,990.92
  6. Step 6: Final answer
    x = 3,091.13

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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.