Home / 5,406.96-8,117.73-2,486.10

Finding the Fourth Proportional to 5,406.96, 8,117.73 and 2,486.10

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Solution

The fourth proportional to 5,406.96, 8,117.73 and 2,486.10 is: 3,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.96 : 8,117.73 = 2,486.10 : x
  2. Step 2: Convert to fraction form
    5,406.96/8,117.73 = 2,486.10/x
  3. Step 3: Cross multiply
    5,406.96x = 8,117.73 × 2,486.10
  4. Step 4: Simplify right side
    5,406.96x = 20,181,488.55
  5. Step 5: Solve for x
    x = 20,181,488.55/5,406.96
  6. Step 6: Final answer
    x = 3,732.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.