Home / 5,075.08-7,012.74-3,958.84

Finding the Fourth Proportional to 5,075.08, 7,012.74 and 3,958.84

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Solution

The fourth proportional to 5,075.08, 7,012.74 and 3,958.84 is: 5,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.08 : 7,012.74 = 3,958.84 : x
  2. Step 2: Convert to fraction form
    5,075.08/7,012.74 = 3,958.84/x
  3. Step 3: Cross multiply
    5,075.08x = 7,012.74 × 3,958.84
  4. Step 4: Simplify right side
    5,075.08x = 27,762,315.62
  5. Step 5: Solve for x
    x = 27,762,315.62/5,075.08
  6. Step 6: Final answer
    x = 5,470.32

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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.