Home / 3,423.48-5,129.55-3,074.82

Finding the Fourth Proportional to 3,423.48, 5,129.55 and 3,074.82

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Solution

The fourth proportional to 3,423.48, 5,129.55 and 3,074.82 is: 4,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.48 : 5,129.55 = 3,074.82 : x
  2. Step 2: Convert to fraction form
    3,423.48/5,129.55 = 3,074.82/x
  3. Step 3: Cross multiply
    3,423.48x = 5,129.55 × 3,074.82
  4. Step 4: Simplify right side
    3,423.48x = 15,772,442.93
  5. Step 5: Solve for x
    x = 15,772,442.93/3,423.48
  6. Step 6: Final answer
    x = 4,607.14

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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.