Home / 3,112.17-4,294.77-1,853.23

Finding the Fourth Proportional to 3,112.17, 4,294.77 and 1,853.23

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Solution

The fourth proportional to 3,112.17, 4,294.77 and 1,853.23 is: 2,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.17 : 4,294.77 = 1,853.23 : x
  2. Step 2: Convert to fraction form
    3,112.17/4,294.77 = 1,853.23/x
  3. Step 3: Cross multiply
    3,112.17x = 4,294.77 × 1,853.23
  4. Step 4: Simplify right side
    3,112.17x = 7,959,197.40
  5. Step 5: Solve for x
    x = 7,959,197.40/3,112.17
  6. Step 6: Final answer
    x = 2,557.44

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,113.17, 4,296.15 and 1,854.23
Similar ratio
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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.