Home / 5,478.75-8,225.18-4,703.73

Finding the Fourth Proportional to 5,478.75, 8,225.18 and 4,703.73

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Solution

The fourth proportional to 5,478.75, 8,225.18 and 4,703.73 is: 7,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.75 : 8,225.18 = 4,703.73 : x
  2. Step 2: Convert to fraction form
    5,478.75/8,225.18 = 4,703.73/x
  3. Step 3: Cross multiply
    5,478.75x = 8,225.18 × 4,703.73
  4. Step 4: Simplify right side
    5,478.75x = 38,689,025.92
  5. Step 5: Solve for x
    x = 38,689,025.92/5,478.75
  6. Step 6: Final answer
    x = 7,061.65

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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.