Home / 6,151.48-8,490.22-5,776.36

Finding the Fourth Proportional to 6,151.48, 8,490.22 and 5,776.36

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Solution

The fourth proportional to 6,151.48, 8,490.22 and 5,776.36 is: 7,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.48 : 8,490.22 = 5,776.36 : x
  2. Step 2: Convert to fraction form
    6,151.48/8,490.22 = 5,776.36/x
  3. Step 3: Cross multiply
    6,151.48x = 8,490.22 × 5,776.36
  4. Step 4: Simplify right side
    6,151.48x = 49,042,567.20
  5. Step 5: Solve for x
    x = 49,042,567.20/6,151.48
  6. Step 6: Final answer
    x = 7,972.48

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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.