Home / 4,741.91-6,544.14-3,145.76

Finding the Fourth Proportional to 4,741.91, 6,544.14 and 3,145.76

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Solution

The fourth proportional to 4,741.91, 6,544.14 and 3,145.76 is: 4,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.91 : 6,544.14 = 3,145.76 : x
  2. Step 2: Convert to fraction form
    4,741.91/6,544.14 = 3,145.76/x
  3. Step 3: Cross multiply
    4,741.91x = 6,544.14 × 3,145.76
  4. Step 4: Simplify right side
    4,741.91x = 20,586,293.85
  5. Step 5: Solve for x
    x = 20,586,293.85/4,741.91
  6. Step 6: Final answer
    x = 4,341.35

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Half scale
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Double scale
Find fourth proportional to 4,742.91, 6,545.52 and 3,146.76
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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.