Home / 7,361.26-10,157.72-4,218.06

Finding the Fourth Proportional to 7,361.26, 10,157.72 and 4,218.06

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Solution

The fourth proportional to 7,361.26, 10,157.72 and 4,218.06 is: 5,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.26 : 10,157.72 = 4,218.06 : x
  2. Step 2: Convert to fraction form
    7,361.26/10,157.72 = 4,218.06/x
  3. Step 3: Cross multiply
    7,361.26x = 10,157.72 × 4,218.06
  4. Step 4: Simplify right side
    7,361.26x = 42,845,872.42
  5. Step 5: Solve for x
    x = 42,845,872.42/7,361.26
  6. Step 6: Final answer
    x = 5,820.45

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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.