Home / 5,222.05-7,205.77-2,984.07

Finding the Fourth Proportional to 5,222.05, 7,205.77 and 2,984.07

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Solution

The fourth proportional to 5,222.05, 7,205.77 and 2,984.07 is: 4,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.05 : 7,205.77 = 2,984.07 : x
  2. Step 2: Convert to fraction form
    5,222.05/7,205.77 = 2,984.07/x
  3. Step 3: Cross multiply
    5,222.05x = 7,205.77 × 2,984.07
  4. Step 4: Simplify right side
    5,222.05x = 21,502,522.08
  5. Step 5: Solve for x
    x = 21,502,522.08/5,222.05
  6. Step 6: Final answer
    x = 4,117.64

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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.