Home / 5,222.31-7,206.84-2,984.28

Finding the Fourth Proportional to 5,222.31, 7,206.84 and 2,984.28

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Solution

The fourth proportional to 5,222.31, 7,206.84 and 2,984.28 is: 4,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.31 : 7,206.84 = 2,984.28 : x
  2. Step 2: Convert to fraction form
    5,222.31/7,206.84 = 2,984.28/x
  3. Step 3: Cross multiply
    5,222.31x = 7,206.84 × 2,984.28
  4. Step 4: Simplify right side
    5,222.31x = 21,507,228.48
  5. Step 5: Solve for x
    x = 21,507,228.48/5,222.31
  6. Step 6: Final answer
    x = 4,118.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.