Home / 5,682.84-8,523.72-1,985.10

Finding the Fourth Proportional to 5,682.84, 8,523.72 and 1,985.10

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Solution

The fourth proportional to 5,682.84, 8,523.72 and 1,985.10 is: 2,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.84 : 8,523.72 = 1,985.10 : x
  2. Step 2: Convert to fraction form
    5,682.84/8,523.72 = 1,985.10/x
  3. Step 3: Cross multiply
    5,682.84x = 8,523.72 × 1,985.10
  4. Step 4: Simplify right side
    5,682.84x = 16,920,436.57
  5. Step 5: Solve for x
    x = 16,920,436.57/5,682.84
  6. Step 6: Final answer
    x = 2,977.46

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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.