Home / 5,039.74-6,952.10-3,219.36

Finding the Fourth Proportional to 5,039.74, 6,952.10 and 3,219.36

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Solution

The fourth proportional to 5,039.74, 6,952.10 and 3,219.36 is: 4,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.74 : 6,952.10 = 3,219.36 : x
  2. Step 2: Convert to fraction form
    5,039.74/6,952.10 = 3,219.36/x
  3. Step 3: Cross multiply
    5,039.74x = 6,952.10 × 3,219.36
  4. Step 4: Simplify right side
    5,039.74x = 22,381,312.66
  5. Step 5: Solve for x
    x = 22,381,312.66/5,039.74
  6. Step 6: Final answer
    x = 4,440.97

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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.