Home / 7,431.58-10,256.52-4,449.06

Finding the Fourth Proportional to 7,431.58, 10,256.52 and 4,449.06

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Solution

The fourth proportional to 7,431.58, 10,256.52 and 4,449.06 is: 6,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.58 : 10,256.52 = 4,449.06 : x
  2. Step 2: Convert to fraction form
    7,431.58/10,256.52 = 4,449.06/x
  3. Step 3: Cross multiply
    7,431.58x = 10,256.52 × 4,449.06
  4. Step 4: Simplify right side
    7,431.58x = 45,631,889.56
  5. Step 5: Solve for x
    x = 45,631,889.56/7,431.58
  6. Step 6: Final answer
    x = 6,140.27

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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.