Home / 7,175.12-10,750.50-4,395.98

Finding the Fourth Proportional to 7,175.12, 10,750.50 and 4,395.98

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Solution

The fourth proportional to 7,175.12, 10,750.50 and 4,395.98 is: 6,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.12 : 10,750.50 = 4,395.98 : x
  2. Step 2: Convert to fraction form
    7,175.12/10,750.50 = 4,395.98/x
  3. Step 3: Cross multiply
    7,175.12x = 10,750.50 × 4,395.98
  4. Step 4: Simplify right side
    7,175.12x = 47,259,009.87
  5. Step 5: Solve for x
    x = 47,259,009.87/7,175.12
  6. Step 6: Final answer
    x = 6,586.52

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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.