Home / 3,339.61-4,604.47-2,142.48

Finding the Fourth Proportional to 3,339.61, 4,604.47 and 2,142.48

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Solution

The fourth proportional to 3,339.61, 4,604.47 and 2,142.48 is: 2,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.61 : 4,604.47 = 2,142.48 : x
  2. Step 2: Convert to fraction form
    3,339.61/4,604.47 = 2,142.48/x
  3. Step 3: Cross multiply
    3,339.61x = 4,604.47 × 2,142.48
  4. Step 4: Simplify right side
    3,339.61x = 9,864,984.89
  5. Step 5: Solve for x
    x = 9,864,984.89/3,339.61
  6. Step 6: Final answer
    x = 2,953.93

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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.