Home / 2,538.41-3,823.67-2,308.77

Finding the Fourth Proportional to 2,538.41, 3,823.67 and 2,308.77

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Solution

The fourth proportional to 2,538.41, 3,823.67 and 2,308.77 is: 3,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.41 : 3,823.67 = 2,308.77 : x
  2. Step 2: Convert to fraction form
    2,538.41/3,823.67 = 2,308.77/x
  3. Step 3: Cross multiply
    2,538.41x = 3,823.67 × 2,308.77
  4. Step 4: Simplify right side
    2,538.41x = 8,827,980.36
  5. Step 5: Solve for x
    x = 8,827,980.36/2,538.41
  6. Step 6: Final answer
    x = 3,477.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.