Home / 7,301.20-10,075.68-4,157.44

Finding the Fourth Proportional to 7,301.20, 10,075.68 and 4,157.44

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Solution

The fourth proportional to 7,301.20, 10,075.68 and 4,157.44 is: 5,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.20 : 10,075.68 = 4,157.44 : x
  2. Step 2: Convert to fraction form
    7,301.20/10,075.68 = 4,157.44/x
  3. Step 3: Cross multiply
    7,301.20x = 10,075.68 × 4,157.44
  4. Step 4: Simplify right side
    7,301.20x = 41,889,035.06
  5. Step 5: Solve for x
    x = 41,889,035.06/7,301.20
  6. Step 6: Final answer
    x = 5,737.28

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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.