Home / 5,715.36-8,574.96-2,250.72

Finding the Fourth Proportional to 5,715.36, 8,574.96 and 2,250.72

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Solution

The fourth proportional to 5,715.36, 8,574.96 and 2,250.72 is: 3,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.36 : 8,574.96 = 2,250.72 : x
  2. Step 2: Convert to fraction form
    5,715.36/8,574.96 = 2,250.72/x
  3. Step 3: Cross multiply
    5,715.36x = 8,574.96 × 2,250.72
  4. Step 4: Simplify right side
    5,715.36x = 19,299,833.97
  5. Step 5: Solve for x
    x = 19,299,833.97/5,715.36
  6. Step 6: Final answer
    x = 3,376.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.