Home / 4,191.57-6,287.34-1,270.11

Finding the Fourth Proportional to 4,191.57, 6,287.34 and 1,270.11

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Solution

The fourth proportional to 4,191.57, 6,287.34 and 1,270.11 is: 1,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.57 : 6,287.34 = 1,270.11 : x
  2. Step 2: Convert to fraction form
    4,191.57/6,287.34 = 1,270.11/x
  3. Step 3: Cross multiply
    4,191.57x = 6,287.34 × 1,270.11
  4. Step 4: Simplify right side
    4,191.57x = 7,985,613.41
  5. Step 5: Solve for x
    x = 7,985,613.41/4,191.57
  6. Step 6: Final answer
    x = 1,905.16

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Double scale
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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.