Home / 5,724.45-8,587.05-1,828.95

Finding the Fourth Proportional to 5,724.45, 8,587.05 and 1,828.95

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Solution

The fourth proportional to 5,724.45, 8,587.05 and 1,828.95 is: 2,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.45 : 8,587.05 = 1,828.95 : x
  2. Step 2: Convert to fraction form
    5,724.45/8,587.05 = 1,828.95/x
  3. Step 3: Cross multiply
    5,724.45x = 8,587.05 × 1,828.95
  4. Step 4: Simplify right side
    5,724.45x = 15,705,285.10
  5. Step 5: Solve for x
    x = 15,705,285.10/5,724.45
  6. Step 6: Final answer
    x = 2,743.54

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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.