Home / 5,099.84-7,038.26-2,975.21

Finding the Fourth Proportional to 5,099.84, 7,038.26 and 2,975.21

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Solution

The fourth proportional to 5,099.84, 7,038.26 and 2,975.21 is: 4,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.84 : 7,038.26 = 2,975.21 : x
  2. Step 2: Convert to fraction form
    5,099.84/7,038.26 = 2,975.21/x
  3. Step 3: Cross multiply
    5,099.84x = 7,038.26 × 2,975.21
  4. Step 4: Simplify right side
    5,099.84x = 20,940,251.47
  5. Step 5: Solve for x
    x = 20,940,251.47/5,099.84
  6. Step 6: Final answer
    x = 4,106.06

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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.