Home / 5,801.36-8,005.86-3,148.76

Finding the Fourth Proportional to 5,801.36, 8,005.86 and 3,148.76

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Solution

The fourth proportional to 5,801.36, 8,005.86 and 3,148.76 is: 4,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.36 : 8,005.86 = 3,148.76 : x
  2. Step 2: Convert to fraction form
    5,801.36/8,005.86 = 3,148.76/x
  3. Step 3: Cross multiply
    5,801.36x = 8,005.86 × 3,148.76
  4. Step 4: Simplify right side
    5,801.36x = 25,208,531.73
  5. Step 5: Solve for x
    x = 25,208,531.73/5,801.36
  6. Step 6: Final answer
    x = 4,345.28

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Double scale
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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.