Home / 6,870.26-10,290.80-4,650.46

Finding the Fourth Proportional to 6,870.26, 10,290.80 and 4,650.46

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Solution

The fourth proportional to 6,870.26, 10,290.80 and 4,650.46 is: 6,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.26 : 10,290.80 = 4,650.46 : x
  2. Step 2: Convert to fraction form
    6,870.26/10,290.80 = 4,650.46/x
  3. Step 3: Cross multiply
    6,870.26x = 10,290.80 × 4,650.46
  4. Step 4: Simplify right side
    6,870.26x = 47,856,939.67
  5. Step 5: Solve for x
    x = 47,856,939.67/6,870.26
  6. Step 6: Final answer
    x = 6,965.81

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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.