Home / 5,851.20-8,076.24-3,494.40

Finding the Fourth Proportional to 5,851.20, 8,076.24 and 3,494.40

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Solution

The fourth proportional to 5,851.20, 8,076.24 and 3,494.40 is: 4,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.20 : 8,076.24 = 3,494.40 : x
  2. Step 2: Convert to fraction form
    5,851.20/8,076.24 = 3,494.40/x
  3. Step 3: Cross multiply
    5,851.20x = 8,076.24 × 3,494.40
  4. Step 4: Simplify right side
    5,851.20x = 28,221,613.06
  5. Step 5: Solve for x
    x = 28,221,613.06/5,851.20
  6. Step 6: Final answer
    x = 4,823.22

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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.