Home / 2,106.59-2,905.38-1,853.97

Finding the Fourth Proportional to 2,106.59, 2,905.38 and 1,853.97

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Solution

The fourth proportional to 2,106.59, 2,905.38 and 1,853.97 is: 2,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.59 : 2,905.38 = 1,853.97 : x
  2. Step 2: Convert to fraction form
    2,106.59/2,905.38 = 1,853.97/x
  3. Step 3: Cross multiply
    2,106.59x = 2,905.38 × 1,853.97
  4. Step 4: Simplify right side
    2,106.59x = 5,386,487.36
  5. Step 5: Solve for x
    x = 5,386,487.36/2,106.59
  6. Step 6: Final answer
    x = 2,556.97

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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.