Home / 4,247.32-5,858.56-2,672.68

Finding the Fourth Proportional to 4,247.32, 5,858.56 and 2,672.68

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Solution

The fourth proportional to 4,247.32, 5,858.56 and 2,672.68 is: 3,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.32 : 5,858.56 = 2,672.68 : x
  2. Step 2: Convert to fraction form
    4,247.32/5,858.56 = 2,672.68/x
  3. Step 3: Cross multiply
    4,247.32x = 5,858.56 × 2,672.68
  4. Step 4: Simplify right side
    4,247.32x = 15,658,056.14
  5. Step 5: Solve for x
    x = 15,658,056.14/4,247.32
  6. Step 6: Final answer
    x = 3,686.57

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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.