Home / 1,853.39-2,556.24-1,107.19

Finding the Fourth Proportional to 1,853.39, 2,556.24 and 1,107.19

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Solution

The fourth proportional to 1,853.39, 2,556.24 and 1,107.19 is: 1,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.39 : 2,556.24 = 1,107.19 : x
  2. Step 2: Convert to fraction form
    1,853.39/2,556.24 = 1,107.19/x
  3. Step 3: Cross multiply
    1,853.39x = 2,556.24 × 1,107.19
  4. Step 4: Simplify right side
    1,853.39x = 2,830,242.41
  5. Step 5: Solve for x
    x = 2,830,242.41/1,853.39
  6. Step 6: Final answer
    x = 1,527.06

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Half scale
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Double scale
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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.