Home / 5,743.48-8,615.76-2,455.84

Finding the Fourth Proportional to 5,743.48, 8,615.76 and 2,455.84

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Solution

The fourth proportional to 5,743.48, 8,615.76 and 2,455.84 is: 3,683.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.48 : 8,615.76 = 2,455.84 : x
  2. Step 2: Convert to fraction form
    5,743.48/8,615.76 = 2,455.84/x
  3. Step 3: Cross multiply
    5,743.48x = 8,615.76 × 2,455.84
  4. Step 4: Simplify right side
    5,743.48x = 21,158,928.04
  5. Step 5: Solve for x
    x = 21,158,928.04/5,743.48
  6. Step 6: Final answer
    x = 3,683.99

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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.