Home / 5,187.26-7,777.23-2,588.36

Finding the Fourth Proportional to 5,187.26, 7,777.23 and 2,588.36

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Solution

The fourth proportional to 5,187.26, 7,777.23 and 2,588.36 is: 3,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.26 : 7,777.23 = 2,588.36 : x
  2. Step 2: Convert to fraction form
    5,187.26/7,777.23 = 2,588.36/x
  3. Step 3: Cross multiply
    5,187.26x = 7,777.23 × 2,588.36
  4. Step 4: Simplify right side
    5,187.26x = 20,130,271.04
  5. Step 5: Solve for x
    x = 20,130,271.04/5,187.26
  6. Step 6: Final answer
    x = 3,880.71

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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.