Home / 7,039.75-9,715.92-4,056.03

Finding the Fourth Proportional to 7,039.75, 9,715.92 and 4,056.03

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Solution

The fourth proportional to 7,039.75, 9,715.92 and 4,056.03 is: 5,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.75 : 9,715.92 = 4,056.03 : x
  2. Step 2: Convert to fraction form
    7,039.75/9,715.92 = 4,056.03/x
  3. Step 3: Cross multiply
    7,039.75x = 9,715.92 × 4,056.03
  4. Step 4: Simplify right side
    7,039.75x = 39,408,063.17
  5. Step 5: Solve for x
    x = 39,408,063.17/7,039.75
  6. Step 6: Final answer
    x = 5,597.94

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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.