Home / 4,042.66-5,578.48-2,274.23

Finding the Fourth Proportional to 4,042.66, 5,578.48 and 2,274.23

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Solution

The fourth proportional to 4,042.66, 5,578.48 and 2,274.23 is: 3,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.66 : 5,578.48 = 2,274.23 : x
  2. Step 2: Convert to fraction form
    4,042.66/5,578.48 = 2,274.23/x
  3. Step 3: Cross multiply
    4,042.66x = 5,578.48 × 2,274.23
  4. Step 4: Simplify right side
    4,042.66x = 12,686,746.57
  5. Step 5: Solve for x
    x = 12,686,746.57/4,042.66
  6. Step 6: Final answer
    x = 3,138.22

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Half scale
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Double scale
Find fourth proportional to 4,043.66, 5,579.86 and 2,275.23
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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.