Home / 2,920.67-4,376.13-2,053.43

Finding the Fourth Proportional to 2,920.67, 4,376.13 and 2,053.43

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Solution

The fourth proportional to 2,920.67, 4,376.13 and 2,053.43 is: 3,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.67 : 4,376.13 = 2,053.43 : x
  2. Step 2: Convert to fraction form
    2,920.67/4,376.13 = 2,053.43/x
  3. Step 3: Cross multiply
    2,920.67x = 4,376.13 × 2,053.43
  4. Step 4: Simplify right side
    2,920.67x = 8,986,076.63
  5. Step 5: Solve for x
    x = 8,986,076.63/2,920.67
  6. Step 6: Final answer
    x = 3,076.72

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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.