Home / 5,222.07-7,206.62-2,864.37

Finding the Fourth Proportional to 5,222.07, 7,206.62 and 2,864.37

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Solution

The fourth proportional to 5,222.07, 7,206.62 and 2,864.37 is: 3,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.07 : 7,206.62 = 2,864.37 : x
  2. Step 2: Convert to fraction form
    5,222.07/7,206.62 = 2,864.37/x
  3. Step 3: Cross multiply
    5,222.07x = 7,206.62 × 2,864.37
  4. Step 4: Simplify right side
    5,222.07x = 20,642,411.81
  5. Step 5: Solve for x
    x = 20,642,411.81/5,222.07
  6. Step 6: Final answer
    x = 3,952.92

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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.