Home / 5,342.28-7,372.75-3,074.32

Finding the Fourth Proportional to 5,342.28, 7,372.75 and 3,074.32

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Solution

The fourth proportional to 5,342.28, 7,372.75 and 3,074.32 is: 4,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.28 : 7,372.75 = 3,074.32 : x
  2. Step 2: Convert to fraction form
    5,342.28/7,372.75 = 3,074.32/x
  3. Step 3: Cross multiply
    5,342.28x = 7,372.75 × 3,074.32
  4. Step 4: Simplify right side
    5,342.28x = 22,666,192.78
  5. Step 5: Solve for x
    x = 22,666,192.78/5,342.28
  6. Step 6: Final answer
    x = 4,242.79

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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.