Home / 2,951.13-4,070.11-1,771.36

Finding the Fourth Proportional to 2,951.13, 4,070.11 and 1,771.36

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Solution

The fourth proportional to 2,951.13, 4,070.11 and 1,771.36 is: 2,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.13 : 4,070.11 = 1,771.36 : x
  2. Step 2: Convert to fraction form
    2,951.13/4,070.11 = 1,771.36/x
  3. Step 3: Cross multiply
    2,951.13x = 4,070.11 × 1,771.36
  4. Step 4: Simplify right side
    2,951.13x = 7,209,630.05
  5. Step 5: Solve for x
    x = 7,209,630.05/2,951.13
  6. Step 6: Final answer
    x = 2,443.01

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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.