Home / 6,178.48-8,526.24-3,345.78

Finding the Fourth Proportional to 6,178.48, 8,526.24 and 3,345.78

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Solution

The fourth proportional to 6,178.48, 8,526.24 and 3,345.78 is: 4,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.48 : 8,526.24 = 3,345.78 : x
  2. Step 2: Convert to fraction form
    6,178.48/8,526.24 = 3,345.78/x
  3. Step 3: Cross multiply
    6,178.48x = 8,526.24 × 3,345.78
  4. Step 4: Simplify right side
    6,178.48x = 28,526,923.27
  5. Step 5: Solve for x
    x = 28,526,923.27/6,178.48
  6. Step 6: Final answer
    x = 4,617.14

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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.