Home / 7,147.85-10,719.72-2,466.64

Finding the Fourth Proportional to 7,147.85, 10,719.72 and 2,466.64

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Solution

The fourth proportional to 7,147.85, 10,719.72 and 2,466.64 is: 3,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.85 : 10,719.72 = 2,466.64 : x
  2. Step 2: Convert to fraction form
    7,147.85/10,719.72 = 2,466.64/x
  3. Step 3: Cross multiply
    7,147.85x = 10,719.72 × 2,466.64
  4. Step 4: Simplify right side
    7,147.85x = 26,441,681.53
  5. Step 5: Solve for x
    x = 26,441,681.53/7,147.85
  6. Step 6: Final answer
    x = 3,699.25

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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.