Home / 5,257.41-7,255.27-2,899.72

Finding the Fourth Proportional to 5,257.41, 7,255.27 and 2,899.72

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Solution

The fourth proportional to 5,257.41, 7,255.27 and 2,899.72 is: 4,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.41 : 7,255.27 = 2,899.72 : x
  2. Step 2: Convert to fraction form
    5,257.41/7,255.27 = 2,899.72/x
  3. Step 3: Cross multiply
    5,257.41x = 7,255.27 × 2,899.72
  4. Step 4: Simplify right side
    5,257.41x = 21,038,251.52
  5. Step 5: Solve for x
    x = 21,038,251.52/5,257.41
  6. Step 6: Final answer
    x = 4,001.64

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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.