Home / 5,341.15-7,371.21-3,103.75

Finding the Fourth Proportional to 5,341.15, 7,371.21 and 3,103.75

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Solution

The fourth proportional to 5,341.15, 7,371.21 and 3,103.75 is: 4,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.15 : 7,371.21 = 3,103.75 : x
  2. Step 2: Convert to fraction form
    5,341.15/7,371.21 = 3,103.75/x
  3. Step 3: Cross multiply
    5,341.15x = 7,371.21 × 3,103.75
  4. Step 4: Simplify right side
    5,341.15x = 22,878,393.04
  5. Step 5: Solve for x
    x = 22,878,393.04/5,341.15
  6. Step 6: Final answer
    x = 4,283.42

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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.