Home / 5,362.98-7,400.88-3,126.36

Finding the Fourth Proportional to 5,362.98, 7,400.88 and 3,126.36

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Solution

The fourth proportional to 5,362.98, 7,400.88 and 3,126.36 is: 4,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.98 : 7,400.88 = 3,126.36 : x
  2. Step 2: Convert to fraction form
    5,362.98/7,400.88 = 3,126.36/x
  3. Step 3: Cross multiply
    5,362.98x = 7,400.88 × 3,126.36
  4. Step 4: Simplify right side
    5,362.98x = 23,137,815.20
  5. Step 5: Solve for x
    x = 23,137,815.20/5,362.98
  6. Step 6: Final answer
    x = 4,314.36

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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.