Home / 5,440.47-7,458.96-5,342.06

Finding the Fourth Proportional to 5,440.47, 7,458.96 and 5,342.06

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Solution

The fourth proportional to 5,440.47, 7,458.96 and 5,342.06 is: 7,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.47 : 7,458.96 = 5,342.06 : x
  2. Step 2: Convert to fraction form
    5,440.47/7,458.96 = 5,342.06/x
  3. Step 3: Cross multiply
    5,440.47x = 7,458.96 × 5,342.06
  4. Step 4: Simplify right side
    5,440.47x = 39,846,153.02
  5. Step 5: Solve for x
    x = 39,846,153.02/5,440.47
  6. Step 6: Final answer
    x = 7,324.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.