Home / 5,222.26-7,206.86-2,984.50

Finding the Fourth Proportional to 5,222.26, 7,206.86 and 2,984.50

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Solution

The fourth proportional to 5,222.26, 7,206.86 and 2,984.50 is: 4,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.26 : 7,206.86 = 2,984.50 : x
  2. Step 2: Convert to fraction form
    5,222.26/7,206.86 = 2,984.50/x
  3. Step 3: Cross multiply
    5,222.26x = 7,206.86 × 2,984.50
  4. Step 4: Simplify right side
    5,222.26x = 21,508,822.71
  5. Step 5: Solve for x
    x = 21,508,822.71/5,222.26
  6. Step 6: Final answer
    x = 4,118.68

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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.