Home / 6,761.48-9,330.88-3,777.58

Finding the Fourth Proportional to 6,761.48, 9,330.88 and 3,777.58

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Solution

The fourth proportional to 6,761.48, 9,330.88 and 3,777.58 is: 5,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.48 : 9,330.88 = 3,777.58 : x
  2. Step 2: Convert to fraction form
    6,761.48/9,330.88 = 3,777.58/x
  3. Step 3: Cross multiply
    6,761.48x = 9,330.88 × 3,777.58
  4. Step 4: Simplify right side
    6,761.48x = 35,248,145.67
  5. Step 5: Solve for x
    x = 35,248,145.67/6,761.48
  6. Step 6: Final answer
    x = 5,213.08

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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.