Home / 4,975.46-7,462.62-1,688.56

Finding the Fourth Proportional to 4,975.46, 7,462.62 and 1,688.56

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Solution

The fourth proportional to 4,975.46, 7,462.62 and 1,688.56 is: 2,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.46 : 7,462.62 = 1,688.56 : x
  2. Step 2: Convert to fraction form
    4,975.46/7,462.62 = 1,688.56/x
  3. Step 3: Cross multiply
    4,975.46x = 7,462.62 × 1,688.56
  4. Step 4: Simplify right side
    4,975.46x = 12,601,081.63
  5. Step 5: Solve for x
    x = 12,601,081.63/4,975.46
  6. Step 6: Final answer
    x = 2,532.65

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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.