Home / 5,038.74-6,950.72-3,218.36

Finding the Fourth Proportional to 5,038.74, 6,950.72 and 3,218.36

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Solution

The fourth proportional to 5,038.74, 6,950.72 and 3,218.36 is: 4,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.74 : 6,950.72 = 3,218.36 : x
  2. Step 2: Convert to fraction form
    5,038.74/6,950.72 = 3,218.36/x
  3. Step 3: Cross multiply
    5,038.74x = 6,950.72 × 3,218.36
  4. Step 4: Simplify right side
    5,038.74x = 22,369,919.22
  5. Step 5: Solve for x
    x = 22,369,919.22/5,038.74
  6. Step 6: Final answer
    x = 4,439.59

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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.