Home / 3,528.37-5,291.47-2,439.73

Finding the Fourth Proportional to 3,528.37, 5,291.47 and 2,439.73

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Solution

The fourth proportional to 3,528.37, 5,291.47 and 2,439.73 is: 3,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.37 : 5,291.47 = 2,439.73 : x
  2. Step 2: Convert to fraction form
    3,528.37/5,291.47 = 2,439.73/x
  3. Step 3: Cross multiply
    3,528.37x = 5,291.47 × 2,439.73
  4. Step 4: Simplify right side
    3,528.37x = 12,909,762.42
  5. Step 5: Solve for x
    x = 12,909,762.42/3,528.37
  6. Step 6: Final answer
    x = 3,658.85

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Half scale
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Double scale
Find fourth proportional to 3,529.37, 5,292.97 and 2,440.73
Similar ratio
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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.