Home / 4,725.06-7,088.58-1,438.41

Finding the Fourth Proportional to 4,725.06, 7,088.58 and 1,438.41

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Solution

The fourth proportional to 4,725.06, 7,088.58 and 1,438.41 is: 2,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.06 : 7,088.58 = 1,438.41 : x
  2. Step 2: Convert to fraction form
    4,725.06/7,088.58 = 1,438.41/x
  3. Step 3: Cross multiply
    4,725.06x = 7,088.58 × 1,438.41
  4. Step 4: Simplify right side
    4,725.06x = 10,196,284.36
  5. Step 5: Solve for x
    x = 10,196,284.36/4,725.06
  6. Step 6: Final answer
    x = 2,157.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.