Home / 3,556.13-4,907.45-1,984.23

Finding the Fourth Proportional to 3,556.13, 4,907.45 and 1,984.23

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Solution

The fourth proportional to 3,556.13, 4,907.45 and 1,984.23 is: 2,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.13 : 4,907.45 = 1,984.23 : x
  2. Step 2: Convert to fraction form
    3,556.13/4,907.45 = 1,984.23/x
  3. Step 3: Cross multiply
    3,556.13x = 4,907.45 × 1,984.23
  4. Step 4: Simplify right side
    3,556.13x = 9,737,514.47
  5. Step 5: Solve for x
    x = 9,737,514.47/3,556.13
  6. Step 6: Final answer
    x = 2,738.24

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Half scale
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Double scale
Find fourth proportional to 3,557.13, 4,908.83 and 1,985.23
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.