Home / 5,145.07-7,106.84-4,517.67

Finding the Fourth Proportional to 5,145.07, 7,106.84 and 4,517.67

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Solution

The fourth proportional to 5,145.07, 7,106.84 and 4,517.67 is: 6,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.07 : 7,106.84 = 4,517.67 : x
  2. Step 2: Convert to fraction form
    5,145.07/7,106.84 = 4,517.67/x
  3. Step 3: Cross multiply
    5,145.07x = 7,106.84 × 4,517.67
  4. Step 4: Simplify right side
    5,145.07x = 32,106,378.87
  5. Step 5: Solve for x
    x = 32,106,378.87/5,145.07
  6. Step 6: Final answer
    x = 6,240.22

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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.