Home / 5,098.75-7,039.10-3,212.76

Finding the Fourth Proportional to 5,098.75, 7,039.10 and 3,212.76

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Solution

The fourth proportional to 5,098.75, 7,039.10 and 3,212.76 is: 4,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.75 : 7,039.10 = 3,212.76 : x
  2. Step 2: Convert to fraction form
    5,098.75/7,039.10 = 3,212.76/x
  3. Step 3: Cross multiply
    5,098.75x = 7,039.10 × 3,212.76
  4. Step 4: Simplify right side
    5,098.75x = 22,614,973.34
  5. Step 5: Solve for x
    x = 22,614,973.34/5,098.75
  6. Step 6: Final answer
    x = 4,435.40

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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.