Home / 3,838.33-5,296.85-2,159.74

Finding the Fourth Proportional to 3,838.33, 5,296.85 and 2,159.74

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Solution

The fourth proportional to 3,838.33, 5,296.85 and 2,159.74 is: 2,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.33 : 5,296.85 = 2,159.74 : x
  2. Step 2: Convert to fraction form
    3,838.33/5,296.85 = 2,159.74/x
  3. Step 3: Cross multiply
    3,838.33x = 5,296.85 × 2,159.74
  4. Step 4: Simplify right side
    3,838.33x = 11,439,802.88
  5. Step 5: Solve for x
    x = 11,439,802.88/3,838.33
  6. Step 6: Final answer
    x = 2,980.41

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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.