Home / 7,136.71-10,697.77-2,455.32

Finding the Fourth Proportional to 7,136.71, 10,697.77 and 2,455.32

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Solution

The fourth proportional to 7,136.71, 10,697.77 and 2,455.32 is: 3,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.71 : 10,697.77 = 2,455.32 : x
  2. Step 2: Convert to fraction form
    7,136.71/10,697.77 = 2,455.32/x
  3. Step 3: Cross multiply
    7,136.71x = 10,697.77 × 2,455.32
  4. Step 4: Simplify right side
    7,136.71x = 26,266,448.64
  5. Step 5: Solve for x
    x = 26,266,448.64/7,136.71
  6. Step 6: Final answer
    x = 3,680.47

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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.