Home / 3,347.44-4,618.80-1,931.04

Finding the Fourth Proportional to 3,347.44, 4,618.80 and 1,931.04

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Solution

The fourth proportional to 3,347.44, 4,618.80 and 1,931.04 is: 2,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.44 : 4,618.80 = 1,931.04 : x
  2. Step 2: Convert to fraction form
    3,347.44/4,618.80 = 1,931.04/x
  3. Step 3: Cross multiply
    3,347.44x = 4,618.80 × 1,931.04
  4. Step 4: Simplify right side
    3,347.44x = 8,919,087.55
  5. Step 5: Solve for x
    x = 8,919,087.55/3,347.44
  6. Step 6: Final answer
    x = 2,664.45

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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.