Home / 5,359.92-7,395.93-3,120.06

Finding the Fourth Proportional to 5,359.92, 7,395.93 and 3,120.06

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Solution

The fourth proportional to 5,359.92, 7,395.93 and 3,120.06 is: 4,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.92 : 7,395.93 = 3,120.06 : x
  2. Step 2: Convert to fraction form
    5,359.92/7,395.93 = 3,120.06/x
  3. Step 3: Cross multiply
    5,359.92x = 7,395.93 × 3,120.06
  4. Step 4: Simplify right side
    5,359.92x = 23,075,745.36
  5. Step 5: Solve for x
    x = 23,075,745.36/5,359.92
  6. Step 6: Final answer
    x = 4,305.24

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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.