Home / 5,325.07-7,342.86-3,731.21

Finding the Fourth Proportional to 5,325.07, 7,342.86 and 3,731.21

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Solution

The fourth proportional to 5,325.07, 7,342.86 and 3,731.21 is: 5,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.07 : 7,342.86 = 3,731.21 : x
  2. Step 2: Convert to fraction form
    5,325.07/7,342.86 = 3,731.21/x
  3. Step 3: Cross multiply
    5,325.07x = 7,342.86 × 3,731.21
  4. Step 4: Simplify right side
    5,325.07x = 27,397,752.66
  5. Step 5: Solve for x
    x = 27,397,752.66/5,325.07
  6. Step 6: Final answer
    x = 5,145.05

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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.