Home / 5,682.18-8,524.35-1,787.70

Finding the Fourth Proportional to 5,682.18, 8,524.35 and 1,787.70

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Solution

The fourth proportional to 5,682.18, 8,524.35 and 1,787.70 is: 2,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.18 : 8,524.35 = 1,787.70 : x
  2. Step 2: Convert to fraction form
    5,682.18/8,524.35 = 1,787.70/x
  3. Step 3: Cross multiply
    5,682.18x = 8,524.35 × 1,787.70
  4. Step 4: Simplify right side
    5,682.18x = 15,238,980.50
  5. Step 5: Solve for x
    x = 15,238,980.50/5,682.18
  6. Step 6: Final answer
    x = 2,681.89

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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.