Home / 5,075.07-7,004.70-3,085.23

Finding the Fourth Proportional to 5,075.07, 7,004.70 and 3,085.23

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Solution

The fourth proportional to 5,075.07, 7,004.70 and 3,085.23 is: 4,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.07 : 7,004.70 = 3,085.23 : x
  2. Step 2: Convert to fraction form
    5,075.07/7,004.70 = 3,085.23/x
  3. Step 3: Cross multiply
    5,075.07x = 7,004.70 × 3,085.23
  4. Step 4: Simplify right side
    5,075.07x = 21,611,110.58
  5. Step 5: Solve for x
    x = 21,611,110.58/5,075.07
  6. Step 6: Final answer
    x = 4,258.29

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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.