Home / 5,678.10-7,833.51-3,287.59

Finding the Fourth Proportional to 5,678.10, 7,833.51 and 3,287.59

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Solution

The fourth proportional to 5,678.10, 7,833.51 and 3,287.59 is: 4,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.10 : 7,833.51 = 3,287.59 : x
  2. Step 2: Convert to fraction form
    5,678.10/7,833.51 = 3,287.59/x
  3. Step 3: Cross multiply
    5,678.10x = 7,833.51 × 3,287.59
  4. Step 4: Simplify right side
    5,678.10x = 25,753,349.56
  5. Step 5: Solve for x
    x = 25,753,349.56/5,678.10
  6. Step 6: Final answer
    x = 4,535.56

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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.