Home / 5,563.91-7,678.28-3,045.97

Finding the Fourth Proportional to 5,563.91, 7,678.28 and 3,045.97

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Solution

The fourth proportional to 5,563.91, 7,678.28 and 3,045.97 is: 4,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.91 : 7,678.28 = 3,045.97 : x
  2. Step 2: Convert to fraction form
    5,563.91/7,678.28 = 3,045.97/x
  3. Step 3: Cross multiply
    5,563.91x = 7,678.28 × 3,045.97
  4. Step 4: Simplify right side
    5,563.91x = 23,387,849.34
  5. Step 5: Solve for x
    x = 23,387,849.34/5,563.91
  6. Step 6: Final answer
    x = 4,203.49

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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.