Home / 5,075.26-7,003.10-2,980.06

Finding the Fourth Proportional to 5,075.26, 7,003.10 and 2,980.06

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Solution

The fourth proportional to 5,075.26, 7,003.10 and 2,980.06 is: 4,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.26 : 7,003.10 = 2,980.06 : x
  2. Step 2: Convert to fraction form
    5,075.26/7,003.10 = 2,980.06/x
  3. Step 3: Cross multiply
    5,075.26x = 7,003.10 × 2,980.06
  4. Step 4: Simplify right side
    5,075.26x = 20,869,658.19
  5. Step 5: Solve for x
    x = 20,869,658.19/5,075.26
  6. Step 6: Final answer
    x = 4,112.04

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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.