Home / 5,705.28-8,511.84-4,873.92

Finding the Fourth Proportional to 5,705.28, 8,511.84 and 4,873.92

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Solution

The fourth proportional to 5,705.28, 8,511.84 and 4,873.92 is: 7,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.28 : 8,511.84 = 4,873.92 : x
  2. Step 2: Convert to fraction form
    5,705.28/8,511.84 = 4,873.92/x
  3. Step 3: Cross multiply
    5,705.28x = 8,511.84 × 4,873.92
  4. Step 4: Simplify right side
    5,705.28x = 41,486,027.21
  5. Step 5: Solve for x
    x = 41,486,027.21/5,705.28
  6. Step 6: Final answer
    x = 7,271.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.