Home / 7,032.67-9,704.77-3,888.79

Finding the Fourth Proportional to 7,032.67, 9,704.77 and 3,888.79

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Solution

The fourth proportional to 7,032.67, 9,704.77 and 3,888.79 is: 5,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.67 : 9,704.77 = 3,888.79 : x
  2. Step 2: Convert to fraction form
    7,032.67/9,704.77 = 3,888.79/x
  3. Step 3: Cross multiply
    7,032.67x = 9,704.77 × 3,888.79
  4. Step 4: Simplify right side
    7,032.67x = 37,739,812.53
  5. Step 5: Solve for x
    x = 37,739,812.53/7,032.67
  6. Step 6: Final answer
    x = 5,366.36

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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.