Home / 2,953.48-4,424.15-2,133.40

Finding the Fourth Proportional to 2,953.48, 4,424.15 and 2,133.40

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Solution

The fourth proportional to 2,953.48, 4,424.15 and 2,133.40 is: 3,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.48 : 4,424.15 = 2,133.40 : x
  2. Step 2: Convert to fraction form
    2,953.48/4,424.15 = 2,133.40/x
  3. Step 3: Cross multiply
    2,953.48x = 4,424.15 × 2,133.40
  4. Step 4: Simplify right side
    2,953.48x = 9,438,470.94
  5. Step 5: Solve for x
    x = 9,438,470.94/2,953.48
  6. Step 6: Final answer
    x = 3,195.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.