Home / 7,045.41-9,722.94-3,901.68

Finding the Fourth Proportional to 7,045.41, 9,722.94 and 3,901.68

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Solution

The fourth proportional to 7,045.41, 9,722.94 and 3,901.68 is: 5,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.41 : 9,722.94 = 3,901.68 : x
  2. Step 2: Convert to fraction form
    7,045.41/9,722.94 = 3,901.68/x
  3. Step 3: Cross multiply
    7,045.41x = 9,722.94 × 3,901.68
  4. Step 4: Simplify right side
    7,045.41x = 37,935,800.54
  5. Step 5: Solve for x
    x = 37,935,800.54/7,045.41
  6. Step 6: Final answer
    x = 5,384.47

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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.