Home / 5,456.21-7,529.96-3,098.51

Finding the Fourth Proportional to 5,456.21, 7,529.96 and 3,098.51

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Solution

The fourth proportional to 5,456.21, 7,529.96 and 3,098.51 is: 4,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.21 : 7,529.96 = 3,098.51 : x
  2. Step 2: Convert to fraction form
    5,456.21/7,529.96 = 3,098.51/x
  3. Step 3: Cross multiply
    5,456.21x = 7,529.96 × 3,098.51
  4. Step 4: Simplify right side
    5,456.21x = 23,331,603.22
  5. Step 5: Solve for x
    x = 23,331,603.22/5,456.21
  6. Step 6: Final answer
    x = 4,276.16

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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.