Home / 5,690.21-8,539.19-3,492.23

Finding the Fourth Proportional to 5,690.21, 8,539.19 and 3,492.23

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Solution

The fourth proportional to 5,690.21, 8,539.19 and 3,492.23 is: 5,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.21 : 8,539.19 = 3,492.23 : x
  2. Step 2: Convert to fraction form
    5,690.21/8,539.19 = 3,492.23/x
  3. Step 3: Cross multiply
    5,690.21x = 8,539.19 × 3,492.23
  4. Step 4: Simplify right side
    5,690.21x = 29,820,815.49
  5. Step 5: Solve for x
    x = 29,820,815.49/5,690.21
  6. Step 6: Final answer
    x = 5,240.72

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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.