Home / 1,853.76-2,559.06-1,322.76

Finding the Fourth Proportional to 1,853.76, 2,559.06 and 1,322.76

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Solution

The fourth proportional to 1,853.76, 2,559.06 and 1,322.76 is: 1,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.76 : 2,559.06 = 1,322.76 : x
  2. Step 2: Convert to fraction form
    1,853.76/2,559.06 = 1,322.76/x
  3. Step 3: Cross multiply
    1,853.76x = 2,559.06 × 1,322.76
  4. Step 4: Simplify right side
    1,853.76x = 3,385,022.21
  5. Step 5: Solve for x
    x = 3,385,022.21/1,853.76
  6. Step 6: Final answer
    x = 1,826.03

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Half 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.