Home / 5,627.10-8,440.65-3,668.70

Finding the Fourth Proportional to 5,627.10, 8,440.65 and 3,668.70

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Solution

The fourth proportional to 5,627.10, 8,440.65 and 3,668.70 is: 5,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.10 : 8,440.65 = 3,668.70 : x
  2. Step 2: Convert to fraction form
    5,627.10/8,440.65 = 3,668.70/x
  3. Step 3: Cross multiply
    5,627.10x = 8,440.65 × 3,668.70
  4. Step 4: Simplify right side
    5,627.10x = 30,966,212.66
  5. Step 5: Solve for x
    x = 30,966,212.66/5,627.10
  6. Step 6: Final answer
    x = 5,503.05

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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.