Home / 6,148.12-8,485.76-3,758.93

Finding the Fourth Proportional to 6,148.12, 8,485.76 and 3,758.93

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Solution

The fourth proportional to 6,148.12, 8,485.76 and 3,758.93 is: 5,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.12 : 8,485.76 = 3,758.93 : x
  2. Step 2: Convert to fraction form
    6,148.12/8,485.76 = 3,758.93/x
  3. Step 3: Cross multiply
    6,148.12x = 8,485.76 × 3,758.93
  4. Step 4: Simplify right side
    6,148.12x = 31,897,316.61
  5. Step 5: Solve for x
    x = 31,897,316.61/6,148.12
  6. Step 6: Final answer
    x = 5,188.14

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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.