Home / 6,870.99-10,307.70-2,192.02

Finding the Fourth Proportional to 6,870.99, 10,307.70 and 2,192.02

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Solution

The fourth proportional to 6,870.99, 10,307.70 and 2,192.02 is: 3,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.99 : 10,307.70 = 2,192.02 : x
  2. Step 2: Convert to fraction form
    6,870.99/10,307.70 = 2,192.02/x
  3. Step 3: Cross multiply
    6,870.99x = 10,307.70 × 2,192.02
  4. Step 4: Simplify right side
    6,870.99x = 22,594,673.59
  5. Step 5: Solve for x
    x = 22,594,673.59/6,870.99
  6. Step 6: Final answer
    x = 3,288.42

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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.