Home / 7,274.84-10,904.79-4,148.45

Finding the Fourth Proportional to 7,274.84, 10,904.79 and 4,148.45

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Solution

The fourth proportional to 7,274.84, 10,904.79 and 4,148.45 is: 6,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.84 : 10,904.79 = 4,148.45 : x
  2. Step 2: Convert to fraction form
    7,274.84/10,904.79 = 4,148.45/x
  3. Step 3: Cross multiply
    7,274.84x = 10,904.79 × 4,148.45
  4. Step 4: Simplify right side
    7,274.84x = 45,237,976.08
  5. Step 5: Solve for x
    x = 45,237,976.08/7,274.84
  6. Step 6: Final answer
    x = 6,218.42

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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.