Home / 7,631.37-10,531.44-5,397.24

Finding the Fourth Proportional to 7,631.37, 10,531.44 and 5,397.24

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Solution

The fourth proportional to 7,631.37, 10,531.44 and 5,397.24 is: 7,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.37 : 10,531.44 = 5,397.24 : x
  2. Step 2: Convert to fraction form
    7,631.37/10,531.44 = 5,397.24/x
  3. Step 3: Cross multiply
    7,631.37x = 10,531.44 × 5,397.24
  4. Step 4: Simplify right side
    7,631.37x = 56,840,709.23
  5. Step 5: Solve for x
    x = 56,840,709.23/7,631.37
  6. Step 6: Final answer
    x = 7,448.30

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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.