Home / 3,587.29-4,953.23-2,891.77

Finding the Fourth Proportional to 3,587.29, 4,953.23 and 2,891.77

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Solution

The fourth proportional to 3,587.29, 4,953.23 and 2,891.77 is: 3,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.29 : 4,953.23 = 2,891.77 : x
  2. Step 2: Convert to fraction form
    3,587.29/4,953.23 = 2,891.77/x
  3. Step 3: Cross multiply
    3,587.29x = 4,953.23 × 2,891.77
  4. Step 4: Simplify right side
    3,587.29x = 14,323,587.46
  5. Step 5: Solve for x
    x = 14,323,587.46/3,587.29
  6. Step 6: Final answer
    x = 3,992.87

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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.