Home / 3,384.27-4,670.73-2,208.76

Finding the Fourth Proportional to 3,384.27, 4,670.73 and 2,208.76

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Solution

The fourth proportional to 3,384.27, 4,670.73 and 2,208.76 is: 3,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.27 : 4,670.73 = 2,208.76 : x
  2. Step 2: Convert to fraction form
    3,384.27/4,670.73 = 2,208.76/x
  3. Step 3: Cross multiply
    3,384.27x = 4,670.73 × 2,208.76
  4. Step 4: Simplify right side
    3,384.27x = 10,316,509.92
  5. Step 5: Solve for x
    x = 10,316,509.92/3,384.27
  6. Step 6: Final answer
    x = 3,048.37

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Half scale
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Double scale
Find fourth proportional to 3,385.27, 4,672.11 and 2,209.76
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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.