Home / 5,133.84-7,084.67-2,775.98

Finding the Fourth Proportional to 5,133.84, 7,084.67 and 2,775.98

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Solution

The fourth proportional to 5,133.84, 7,084.67 and 2,775.98 is: 3,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.84 : 7,084.67 = 2,775.98 : x
  2. Step 2: Convert to fraction form
    5,133.84/7,084.67 = 2,775.98/x
  3. Step 3: Cross multiply
    5,133.84x = 7,084.67 × 2,775.98
  4. Step 4: Simplify right side
    5,133.84x = 19,666,852.92
  5. Step 5: Solve for x
    x = 19,666,852.92/5,133.84
  6. Step 6: Final answer
    x = 3,830.83

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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.