Home / 3,356.42-5,030.98-1,406.36

Finding the Fourth Proportional to 3,356.42, 5,030.98 and 1,406.36

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Solution

The fourth proportional to 3,356.42, 5,030.98 and 1,406.36 is: 2,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.42 : 5,030.98 = 1,406.36 : x
  2. Step 2: Convert to fraction form
    3,356.42/5,030.98 = 1,406.36/x
  3. Step 3: Cross multiply
    3,356.42x = 5,030.98 × 1,406.36
  4. Step 4: Simplify right side
    3,356.42x = 7,075,369.03
  5. Step 5: Solve for x
    x = 7,075,369.03/3,356.42
  6. Step 6: Final answer
    x = 2,108.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.