Home / 6,337.51-8,749.08-3,948.21

Finding the Fourth Proportional to 6,337.51, 8,749.08 and 3,948.21

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Solution

The fourth proportional to 6,337.51, 8,749.08 and 3,948.21 is: 5,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.51 : 8,749.08 = 3,948.21 : x
  2. Step 2: Convert to fraction form
    6,337.51/8,749.08 = 3,948.21/x
  3. Step 3: Cross multiply
    6,337.51x = 8,749.08 × 3,948.21
  4. Step 4: Simplify right side
    6,337.51x = 34,543,205.15
  5. Step 5: Solve for x
    x = 34,543,205.15/6,337.51
  6. Step 6: Final answer
    x = 5,450.60

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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.