Home / 3,038.11-4,188.31-2,292.91

Finding the Fourth Proportional to 3,038.11, 4,188.31 and 2,292.91

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Solution

The fourth proportional to 3,038.11, 4,188.31 and 2,292.91 is: 3,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.11 : 4,188.31 = 2,292.91 : x
  2. Step 2: Convert to fraction form
    3,038.11/4,188.31 = 2,292.91/x
  3. Step 3: Cross multiply
    3,038.11x = 4,188.31 × 2,292.91
  4. Step 4: Simplify right side
    3,038.11x = 9,603,417.88
  5. Step 5: Solve for x
    x = 9,603,417.88/3,038.11
  6. Step 6: Final answer
    x = 3,160.98

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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.