Home / 7,544.78-10,410.54-4,187.06

Finding the Fourth Proportional to 7,544.78, 10,410.54 and 4,187.06

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Solution

The fourth proportional to 7,544.78, 10,410.54 and 4,187.06 is: 5,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.78 : 10,410.54 = 4,187.06 : x
  2. Step 2: Convert to fraction form
    7,544.78/10,410.54 = 4,187.06/x
  3. Step 3: Cross multiply
    7,544.78x = 10,410.54 × 4,187.06
  4. Step 4: Simplify right side
    7,544.78x = 43,589,555.61
  5. Step 5: Solve for x
    x = 43,589,555.61/7,544.78
  6. Step 6: Final answer
    x = 5,777.45

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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.