Home / 3,466.48-4,784.28-1,974.40

Finding the Fourth Proportional to 3,466.48, 4,784.28 and 1,974.40

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Solution

The fourth proportional to 3,466.48, 4,784.28 and 1,974.40 is: 2,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.48 : 4,784.28 = 1,974.40 : x
  2. Step 2: Convert to fraction form
    3,466.48/4,784.28 = 1,974.40/x
  3. Step 3: Cross multiply
    3,466.48x = 4,784.28 × 1,974.40
  4. Step 4: Simplify right side
    3,466.48x = 9,446,082.43
  5. Step 5: Solve for x
    x = 9,446,082.43/3,466.48
  6. Step 6: Final answer
    x = 2,724.98

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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.