Home / 5,506.74-7,597.44-3,147.21

Finding the Fourth Proportional to 5,506.74, 7,597.44 and 3,147.21

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Solution

The fourth proportional to 5,506.74, 7,597.44 and 3,147.21 is: 4,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.74 : 7,597.44 = 3,147.21 : x
  2. Step 2: Convert to fraction form
    5,506.74/7,597.44 = 3,147.21/x
  3. Step 3: Cross multiply
    5,506.74x = 7,597.44 × 3,147.21
  4. Step 4: Simplify right side
    5,506.74x = 23,910,739.14
  5. Step 5: Solve for x
    x = 23,910,739.14/5,506.74
  6. Step 6: Final answer
    x = 4,342.09

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Half scale
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Double scale
Find fourth proportional to 5,507.74, 7,598.82 and 3,148.21
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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.