Home / 3,337.93-4,607.04-1,921.78

Finding the Fourth Proportional to 3,337.93, 4,607.04 and 1,921.78

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Solution

The fourth proportional to 3,337.93, 4,607.04 and 1,921.78 is: 2,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.93 : 4,607.04 = 1,921.78 : x
  2. Step 2: Convert to fraction form
    3,337.93/4,607.04 = 1,921.78/x
  3. Step 3: Cross multiply
    3,337.93x = 4,607.04 × 1,921.78
  4. Step 4: Simplify right side
    3,337.93x = 8,853,717.33
  5. Step 5: Solve for x
    x = 8,853,717.33/3,337.93
  6. Step 6: Final answer
    x = 2,652.46

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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.