Home / 6,315.11-8,715.04-3,482.57

Finding the Fourth Proportional to 6,315.11, 8,715.04 and 3,482.57

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Solution

The fourth proportional to 6,315.11, 8,715.04 and 3,482.57 is: 4,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.11 : 8,715.04 = 3,482.57 : x
  2. Step 2: Convert to fraction form
    6,315.11/8,715.04 = 3,482.57/x
  3. Step 3: Cross multiply
    6,315.11x = 8,715.04 × 3,482.57
  4. Step 4: Simplify right side
    6,315.11x = 30,350,745.01
  5. Step 5: Solve for x
    x = 30,350,745.01/6,315.11
  6. Step 6: Final answer
    x = 4,806.05

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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.