Home / 3,466.72-4,784.40-2,869.12

Finding the Fourth Proportional to 3,466.72, 4,784.40 and 2,869.12

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Solution

The fourth proportional to 3,466.72, 4,784.40 and 2,869.12 is: 3,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.72 : 4,784.40 = 2,869.12 : x
  2. Step 2: Convert to fraction form
    3,466.72/4,784.40 = 2,869.12/x
  3. Step 3: Cross multiply
    3,466.72x = 4,784.40 × 2,869.12
  4. Step 4: Simplify right side
    3,466.72x = 13,727,017.73
  5. Step 5: Solve for x
    x = 13,727,017.73/3,466.72
  6. Step 6: Final answer
    x = 3,959.66

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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.