Home / 2,885.24-4,301.48-2,668.52

Finding the Fourth Proportional to 2,885.24, 4,301.48 and 2,668.52

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Solution

The fourth proportional to 2,885.24, 4,301.48 and 2,668.52 is: 3,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.24 : 4,301.48 = 2,668.52 : x
  2. Step 2: Convert to fraction form
    2,885.24/4,301.48 = 2,668.52/x
  3. Step 3: Cross multiply
    2,885.24x = 4,301.48 × 2,668.52
  4. Step 4: Simplify right side
    2,885.24x = 11,478,585.41
  5. Step 5: Solve for x
    x = 11,478,585.41/2,885.24
  6. Step 6: Final answer
    x = 3,978.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.