Home / 5,075.70-7,003.06-2,837.32

Finding the Fourth Proportional to 5,075.70, 7,003.06 and 2,837.32

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Solution

The fourth proportional to 5,075.70, 7,003.06 and 2,837.32 is: 3,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.70 : 7,003.06 = 2,837.32 : x
  2. Step 2: Convert to fraction form
    5,075.70/7,003.06 = 2,837.32/x
  3. Step 3: Cross multiply
    5,075.70x = 7,003.06 × 2,837.32
  4. Step 4: Simplify right side
    5,075.70x = 19,869,922.20
  5. Step 5: Solve for x
    x = 19,869,922.20/5,075.70
  6. Step 6: Final answer
    x = 3,914.72

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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.