Home / 7,975.53-11,955.48-2,974.24

Finding the Fourth Proportional to 7,975.53, 11,955.48 and 2,974.24

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Solution

The fourth proportional to 7,975.53, 11,955.48 and 2,974.24 is: 4,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.53 : 11,955.48 = 2,974.24 : x
  2. Step 2: Convert to fraction form
    7,975.53/11,955.48 = 2,974.24/x
  3. Step 3: Cross multiply
    7,975.53x = 11,955.48 × 2,974.24
  4. Step 4: Simplify right side
    7,975.53x = 35,558,466.84
  5. Step 5: Solve for x
    x = 35,558,466.84/7,975.53
  6. Step 6: Final answer
    x = 4,458.45

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1.5x scale

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.