Home / 5,133.07-7,083.65-2,775.23

Finding the Fourth Proportional to 5,133.07, 7,083.65 and 2,775.23

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Solution

The fourth proportional to 5,133.07, 7,083.65 and 2,775.23 is: 3,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.07 : 7,083.65 = 2,775.23 : x
  2. Step 2: Convert to fraction form
    5,133.07/7,083.65 = 2,775.23/x
  3. Step 3: Cross multiply
    5,133.07x = 7,083.65 × 2,775.23
  4. Step 4: Simplify right side
    5,133.07x = 19,658,722.57
  5. Step 5: Solve for x
    x = 19,658,722.57/5,133.07
  6. Step 6: Final answer
    x = 3,829.82

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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.