Home / 7,100.10-10,640.43-4,504.86

Finding the Fourth Proportional to 7,100.10, 10,640.43 and 4,504.86

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Solution

The fourth proportional to 7,100.10, 10,640.43 and 4,504.86 is: 6,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.10 : 10,640.43 = 4,504.86 : x
  2. Step 2: Convert to fraction form
    7,100.10/10,640.43 = 4,504.86/x
  3. Step 3: Cross multiply
    7,100.10x = 10,640.43 × 4,504.86
  4. Step 4: Simplify right side
    7,100.10x = 47,933,647.49
  5. Step 5: Solve for x
    x = 47,933,647.49/7,100.10
  6. Step 6: Final answer
    x = 6,751.12

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1.5x scale

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.