Home / 5,343.88-7,384.68-4,015.32

Finding the Fourth Proportional to 5,343.88, 7,384.68 and 4,015.32

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Solution

The fourth proportional to 5,343.88, 7,384.68 and 4,015.32 is: 5,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.88 : 7,384.68 = 4,015.32 : x
  2. Step 2: Convert to fraction form
    5,343.88/7,384.68 = 4,015.32/x
  3. Step 3: Cross multiply
    5,343.88x = 7,384.68 × 4,015.32
  4. Step 4: Simplify right side
    5,343.88x = 29,651,853.30
  5. Step 5: Solve for x
    x = 29,651,853.30/5,343.88
  6. Step 6: Final answer
    x = 5,548.75

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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.