Home / 4,740.91-6,542.76-3,144.76

Finding the Fourth Proportional to 4,740.91, 6,542.76 and 3,144.76

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Solution

The fourth proportional to 4,740.91, 6,542.76 and 3,144.76 is: 4,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.91 : 6,542.76 = 3,144.76 : x
  2. Step 2: Convert to fraction form
    4,740.91/6,542.76 = 3,144.76/x
  3. Step 3: Cross multiply
    4,740.91x = 6,542.76 × 3,144.76
  4. Step 4: Simplify right side
    4,740.91x = 20,575,409.94
  5. Step 5: Solve for x
    x = 20,575,409.94/4,740.91
  6. Step 6: Final answer
    x = 4,339.97

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Half scale
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Double scale
Find fourth proportional to 4,741.91, 6,544.14 and 3,145.76
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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.