Home / 7,505.32-11,257.57-3,807.45

Finding the Fourth Proportional to 7,505.32, 11,257.57 and 3,807.45

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Solution

The fourth proportional to 7,505.32, 11,257.57 and 3,807.45 is: 5,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.32 : 11,257.57 = 3,807.45 : x
  2. Step 2: Convert to fraction form
    7,505.32/11,257.57 = 3,807.45/x
  3. Step 3: Cross multiply
    7,505.32x = 11,257.57 × 3,807.45
  4. Step 4: Simplify right side
    7,505.32x = 42,862,634.90
  5. Step 5: Solve for x
    x = 42,862,634.90/7,505.32
  6. Step 6: Final answer
    x = 5,710.97

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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.