Home / 7,106.16-10,651.48-3,643.60

Finding the Fourth Proportional to 7,106.16, 10,651.48 and 3,643.60

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Solution

The fourth proportional to 7,106.16, 10,651.48 and 3,643.60 is: 5,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.16 : 10,651.48 = 3,643.60 : x
  2. Step 2: Convert to fraction form
    7,106.16/10,651.48 = 3,643.60/x
  3. Step 3: Cross multiply
    7,106.16x = 10,651.48 × 3,643.60
  4. Step 4: Simplify right side
    7,106.16x = 38,809,732.53
  5. Step 5: Solve for x
    x = 38,809,732.53/7,106.16
  6. Step 6: Final answer
    x = 5,461.42

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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.