Home / 7,376.40-10,178.28-4,231.98

Finding the Fourth Proportional to 7,376.40, 10,178.28 and 4,231.98

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Solution

The fourth proportional to 7,376.40, 10,178.28 and 4,231.98 is: 5,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.40 : 10,178.28 = 4,231.98 : x
  2. Step 2: Convert to fraction form
    7,376.40/10,178.28 = 4,231.98/x
  3. Step 3: Cross multiply
    7,376.40x = 10,178.28 × 4,231.98
  4. Step 4: Simplify right side
    7,376.40x = 43,074,277.39
  5. Step 5: Solve for x
    x = 43,074,277.39/7,376.40
  6. Step 6: Final answer
    x = 5,839.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.