Home / 2,418.50-3,337.54-1,423.42

Finding the Fourth Proportional to 2,418.50, 3,337.54 and 1,423.42

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Solution

The fourth proportional to 2,418.50, 3,337.54 and 1,423.42 is: 1,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.50 : 3,337.54 = 1,423.42 : x
  2. Step 2: Convert to fraction form
    2,418.50/3,337.54 = 1,423.42/x
  3. Step 3: Cross multiply
    2,418.50x = 3,337.54 × 1,423.42
  4. Step 4: Simplify right side
    2,418.50x = 4,750,697.38
  5. Step 5: Solve for x
    x = 4,750,697.38/2,418.50
  6. Step 6: Final answer
    x = 1,964.32

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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.