Home / 5,402.94-8,103.72-1,705.55

Finding the Fourth Proportional to 5,402.94, 8,103.72 and 1,705.55

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Solution

The fourth proportional to 5,402.94, 8,103.72 and 1,705.55 is: 2,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.94 : 8,103.72 = 1,705.55 : x
  2. Step 2: Convert to fraction form
    5,402.94/8,103.72 = 1,705.55/x
  3. Step 3: Cross multiply
    5,402.94x = 8,103.72 × 1,705.55
  4. Step 4: Simplify right side
    5,402.94x = 13,821,259.13
  5. Step 5: Solve for x
    x = 13,821,259.13/5,402.94
  6. Step 6: Final answer
    x = 2,558.10

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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.