Home / 5,821.42-8,735.78-2,358.68

Finding the Fourth Proportional to 5,821.42, 8,735.78 and 2,358.68

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Solution

The fourth proportional to 5,821.42, 8,735.78 and 2,358.68 is: 3,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.42 : 8,735.78 = 2,358.68 : x
  2. Step 2: Convert to fraction form
    5,821.42/8,735.78 = 2,358.68/x
  3. Step 3: Cross multiply
    5,821.42x = 8,735.78 × 2,358.68
  4. Step 4: Simplify right side
    5,821.42x = 20,604,909.57
  5. Step 5: Solve for x
    x = 20,604,909.57/5,821.42
  6. Step 6: Final answer
    x = 3,539.50

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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.