Home / 5,532.64-7,632.36-3,174.16

Finding the Fourth Proportional to 5,532.64, 7,632.36 and 3,174.16

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Solution

The fourth proportional to 5,532.64, 7,632.36 and 3,174.16 is: 4,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,532.64 : 7,632.36 = 3,174.16 : x
  2. Step 2: Convert to fraction form
    5,532.64/7,632.36 = 3,174.16/x
  3. Step 3: Cross multiply
    5,532.64x = 7,632.36 × 3,174.16
  4. Step 4: Simplify right side
    5,532.64x = 24,226,331.82
  5. Step 5: Solve for x
    x = 24,226,331.82/5,532.64
  6. Step 6: Final answer
    x = 4,378.80

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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.