Home / 5,075.84-7,004.40-2,837.72

Finding the Fourth Proportional to 5,075.84, 7,004.40 and 2,837.72

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Solution

The fourth proportional to 5,075.84, 7,004.40 and 2,837.72 is: 3,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.84 : 7,004.40 = 2,837.72 : x
  2. Step 2: Convert to fraction form
    5,075.84/7,004.40 = 2,837.72/x
  3. Step 3: Cross multiply
    5,075.84x = 7,004.40 × 2,837.72
  4. Step 4: Simplify right side
    5,075.84x = 19,876,525.97
  5. Step 5: Solve for x
    x = 19,876,525.97/5,075.84
  6. Step 6: Final answer
    x = 3,915.91

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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.