Home / 5,607.02-7,740.06-3,992.96

Finding the Fourth Proportional to 5,607.02, 7,740.06 and 3,992.96

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Solution

The fourth proportional to 5,607.02, 7,740.06 and 3,992.96 is: 5,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.02 : 7,740.06 = 3,992.96 : x
  2. Step 2: Convert to fraction form
    5,607.02/7,740.06 = 3,992.96/x
  3. Step 3: Cross multiply
    5,607.02x = 7,740.06 × 3,992.96
  4. Step 4: Simplify right side
    5,607.02x = 30,905,749.98
  5. Step 5: Solve for x
    x = 30,905,749.98/5,607.02
  6. Step 6: Final answer
    x = 5,511.97

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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.