Home / 7,136.46-10,697.40-2,455.07

Finding the Fourth Proportional to 7,136.46, 10,697.40 and 2,455.07

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Solution

The fourth proportional to 7,136.46, 10,697.40 and 2,455.07 is: 3,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.46 : 10,697.40 = 2,455.07 : x
  2. Step 2: Convert to fraction form
    7,136.46/10,697.40 = 2,455.07/x
  3. Step 3: Cross multiply
    7,136.46x = 10,697.40 × 2,455.07
  4. Step 4: Simplify right side
    7,136.46x = 26,262,812.33
  5. Step 5: Solve for x
    x = 26,262,812.33/7,136.46
  6. Step 6: Final answer
    x = 3,680.09

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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.