Home / 5,370.37-7,424.43-5,321.14

Finding the Fourth Proportional to 5,370.37, 7,424.43 and 5,321.14

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Solution

The fourth proportional to 5,370.37, 7,424.43 and 5,321.14 is: 7,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.37 : 7,424.43 = 5,321.14 : x
  2. Step 2: Convert to fraction form
    5,370.37/7,424.43 = 5,321.14/x
  3. Step 3: Cross multiply
    5,370.37x = 7,424.43 × 5,321.14
  4. Step 4: Simplify right side
    5,370.37x = 39,506,431.45
  5. Step 5: Solve for x
    x = 39,506,431.45/5,370.37
  6. Step 6: Final answer
    x = 7,356.37

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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.