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Finding the Fourth Proportional to 5,848.61, 8,071.80 and 3,698.31

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Solution

The fourth proportional to 5,848.61, 8,071.80 and 3,698.31 is: 5,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848.61 : 8,071.80 = 3,698.31 : x
  2. Step 2: Convert to fraction form
    5,848.61/8,071.80 = 3,698.31/x
  3. Step 3: Cross multiply
    5,848.61x = 8,071.80 × 3,698.31
  4. Step 4: Simplify right side
    5,848.61x = 29,852,010.46
  5. Step 5: Solve for x
    x = 29,852,010.46/5,848.61
  6. Step 6: Final answer
    x = 5,104.12

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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.