Home / 3,901.14-5,384.67-2,223.45

Finding the Fourth Proportional to 3,901.14, 5,384.67 and 2,223.45

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Solution

The fourth proportional to 3,901.14, 5,384.67 and 2,223.45 is: 3,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.14 : 5,384.67 = 2,223.45 : x
  2. Step 2: Convert to fraction form
    3,901.14/5,384.67 = 2,223.45/x
  3. Step 3: Cross multiply
    3,901.14x = 5,384.67 × 2,223.45
  4. Step 4: Simplify right side
    3,901.14x = 11,972,544.51
  5. Step 5: Solve for x
    x = 11,972,544.51/3,901.14
  6. Step 6: Final answer
    x = 3,068.99

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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.