Home / 7,042.94-9,708.90-5,361.42

Finding the Fourth Proportional to 7,042.94, 9,708.90 and 5,361.42

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Solution

The fourth proportional to 7,042.94, 9,708.90 and 5,361.42 is: 7,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.94 : 9,708.90 = 5,361.42 : x
  2. Step 2: Convert to fraction form
    7,042.94/9,708.90 = 5,361.42/x
  3. Step 3: Cross multiply
    7,042.94x = 9,708.90 × 5,361.42
  4. Step 4: Simplify right side
    7,042.94x = 52,053,490.64
  5. Step 5: Solve for x
    x = 52,053,490.64/7,042.94
  6. Step 6: Final answer
    x = 7,390.88

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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.