Home / 5,075.72-7,004.51-2,837.60

Finding the Fourth Proportional to 5,075.72, 7,004.51 and 2,837.60

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Solution

The fourth proportional to 5,075.72, 7,004.51 and 2,837.60 is: 3,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.72 : 7,004.51 = 2,837.60 : x
  2. Step 2: Convert to fraction form
    5,075.72/7,004.51 = 2,837.60/x
  3. Step 3: Cross multiply
    5,075.72x = 7,004.51 × 2,837.60
  4. Step 4: Simplify right side
    5,075.72x = 19,875,997.58
  5. Step 5: Solve for x
    x = 19,875,997.58/5,075.72
  6. Step 6: Final answer
    x = 3,915.90

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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.