Home / 1,854.19-2,559.45-1,108.41

Finding the Fourth Proportional to 1,854.19, 2,559.45 and 1,108.41

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Solution

The fourth proportional to 1,854.19, 2,559.45 and 1,108.41 is: 1,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.19 : 2,559.45 = 1,108.41 : x
  2. Step 2: Convert to fraction form
    1,854.19/2,559.45 = 1,108.41/x
  3. Step 3: Cross multiply
    1,854.19x = 2,559.45 × 1,108.41
  4. Step 4: Simplify right side
    1,854.19x = 2,836,919.97
  5. Step 5: Solve for x
    x = 2,836,919.97/1,854.19
  6. Step 6: Final answer
    x = 1,530.01

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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.