Home / 5,687-7,848.06-3,592.88

Finding the Fourth Proportional to 5,687, 7,848.06 and 3,592.88

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Solution

The fourth proportional to 5,687, 7,848.06 and 3,592.88 is: 4,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687 : 7,848.06 = 3,592.88 : x
  2. Step 2: Convert to fraction form
    5,687/7,848.06 = 3,592.88/x
  3. Step 3: Cross multiply
    5,687x = 7,848.06 × 3,592.88
  4. Step 4: Simplify right side
    5,687x = 28,197,137.81
  5. Step 5: Solve for x
    x = 28,197,137.81/5,687
  6. Step 6: Final answer
    x = 4,958.17

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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.