Home / 6,147.16-8,484.01-3,758.54

Finding the Fourth Proportional to 6,147.16, 8,484.01 and 3,758.54

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Solution

The fourth proportional to 6,147.16, 8,484.01 and 3,758.54 is: 5,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.16 : 8,484.01 = 3,758.54 : x
  2. Step 2: Convert to fraction form
    6,147.16/8,484.01 = 3,758.54/x
  3. Step 3: Cross multiply
    6,147.16x = 8,484.01 × 3,758.54
  4. Step 4: Simplify right side
    6,147.16x = 31,887,439.13
  5. Step 5: Solve for x
    x = 31,887,439.13/6,147.16
  6. Step 6: Final answer
    x = 5,187.35

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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.