Home / 1,853.52-2,556.99-1,190.13

Finding the Fourth Proportional to 1,853.52, 2,556.99 and 1,190.13

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Solution

The fourth proportional to 1,853.52, 2,556.99 and 1,190.13 is: 1,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.52 : 2,556.99 = 1,190.13 : x
  2. Step 2: Convert to fraction form
    1,853.52/2,556.99 = 1,190.13/x
  3. Step 3: Cross multiply
    1,853.52x = 2,556.99 × 1,190.13
  4. Step 4: Simplify right side
    1,853.52x = 3,043,150.51
  5. Step 5: Solve for x
    x = 3,043,150.51/1,853.52
  6. Step 6: Final answer
    x = 1,641.82

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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.