Home / 7,538.31-10,400.54-4,392.27

Finding the Fourth Proportional to 7,538.31, 10,400.54 and 4,392.27

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Solution

The fourth proportional to 7,538.31, 10,400.54 and 4,392.27 is: 6,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.31 : 10,400.54 = 4,392.27 : x
  2. Step 2: Convert to fraction form
    7,538.31/10,400.54 = 4,392.27/x
  3. Step 3: Cross multiply
    7,538.31x = 10,400.54 × 4,392.27
  4. Step 4: Simplify right side
    7,538.31x = 45,681,957.86
  5. Step 5: Solve for x
    x = 45,681,957.86/7,538.31
  6. Step 6: Final answer
    x = 6,059.97

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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.