Home / 3,307.23-4,561.58-2,189.13

Finding the Fourth Proportional to 3,307.23, 4,561.58 and 2,189.13

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Solution

The fourth proportional to 3,307.23, 4,561.58 and 2,189.13 is: 3,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.23 : 4,561.58 = 2,189.13 : x
  2. Step 2: Convert to fraction form
    3,307.23/4,561.58 = 2,189.13/x
  3. Step 3: Cross multiply
    3,307.23x = 4,561.58 × 2,189.13
  4. Step 4: Simplify right side
    3,307.23x = 9,985,880.68
  5. Step 5: Solve for x
    x = 9,985,880.68/3,307.23
  6. Step 6: Final answer
    x = 3,019.41

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Half scale
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Double scale
Find fourth proportional to 3,308.23, 4,562.95 and 2,190.13
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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.