Home / 7,185.93-10,775.45-2,505.36

Finding the Fourth Proportional to 7,185.93, 10,775.45 and 2,505.36

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Solution

The fourth proportional to 7,185.93, 10,775.45 and 2,505.36 is: 3,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.93 : 10,775.45 = 2,505.36 : x
  2. Step 2: Convert to fraction form
    7,185.93/10,775.45 = 2,505.36/x
  3. Step 3: Cross multiply
    7,185.93x = 10,775.45 × 2,505.36
  4. Step 4: Simplify right side
    7,185.93x = 26,996,368.89
  5. Step 5: Solve for x
    x = 26,996,368.89/7,185.93
  6. Step 6: Final answer
    x = 3,756.84

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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.