Home / 5,905.48-8,147.35-3,386.69

Finding the Fourth Proportional to 5,905.48, 8,147.35 and 3,386.69

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Solution

The fourth proportional to 5,905.48, 8,147.35 and 3,386.69 is: 4,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.48 : 8,147.35 = 3,386.69 : x
  2. Step 2: Convert to fraction form
    5,905.48/8,147.35 = 3,386.69/x
  3. Step 3: Cross multiply
    5,905.48x = 8,147.35 × 3,386.69
  4. Step 4: Simplify right side
    5,905.48x = 27,592,548.77
  5. Step 5: Solve for x
    x = 27,592,548.77/5,905.48
  6. Step 6: Final answer
    x = 4,672.36

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Half scale
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Double scale
Find fourth proportional to 5,906.48, 8,148.73 and 3,387.69
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.