Home / 7,113.09-10,670.45-2,952.55

Finding the Fourth Proportional to 7,113.09, 10,670.45 and 2,952.55

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Solution

The fourth proportional to 7,113.09, 10,670.45 and 2,952.55 is: 4,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.09 : 10,670.45 = 2,952.55 : x
  2. Step 2: Convert to fraction form
    7,113.09/10,670.45 = 2,952.55/x
  3. Step 3: Cross multiply
    7,113.09x = 10,670.45 × 2,952.55
  4. Step 4: Simplify right side
    7,113.09x = 31,505,037.15
  5. Step 5: Solve for x
    x = 31,505,037.15/7,113.09
  6. Step 6: Final answer
    x = 4,429.16

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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.