Home / 3,973.17-5,477.65-3,075.31

Finding the Fourth Proportional to 3,973.17, 5,477.65 and 3,075.31

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Solution

The fourth proportional to 3,973.17, 5,477.65 and 3,075.31 is: 4,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.17 : 5,477.65 = 3,075.31 : x
  2. Step 2: Convert to fraction form
    3,973.17/5,477.65 = 3,075.31/x
  3. Step 3: Cross multiply
    3,973.17x = 5,477.65 × 3,075.31
  4. Step 4: Simplify right side
    3,973.17x = 16,845,450.44
  5. Step 5: Solve for x
    x = 16,845,450.44/3,973.17
  6. Step 6: Final answer
    x = 4,239.80

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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.