Home / 5,228.47-7,844-2,597.21

Finding the Fourth Proportional to 5,228.47, 7,844 and 2,597.21

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Solution

The fourth proportional to 5,228.47, 7,844 and 2,597.21 is: 3,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.47 : 7,844 = 2,597.21 : x
  2. Step 2: Convert to fraction form
    5,228.47/7,844 = 2,597.21/x
  3. Step 3: Cross multiply
    5,228.47x = 7,844 × 2,597.21
  4. Step 4: Simplify right side
    5,228.47x = 20,372,515.24
  5. Step 5: Solve for x
    x = 20,372,515.24/5,228.47
  6. Step 6: Final answer
    x = 3,896.46

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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.