Home / 5,456.09-7,529.63-3,098.45

Finding the Fourth Proportional to 5,456.09, 7,529.63 and 3,098.45

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Solution

The fourth proportional to 5,456.09, 7,529.63 and 3,098.45 is: 4,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.09 : 7,529.63 = 3,098.45 : x
  2. Step 2: Convert to fraction form
    5,456.09/7,529.63 = 3,098.45/x
  3. Step 3: Cross multiply
    5,456.09x = 7,529.63 × 3,098.45
  4. Step 4: Simplify right side
    5,456.09x = 23,330,185.41
  5. Step 5: Solve for x
    x = 23,330,185.41/5,456.09
  6. Step 6: Final answer
    x = 4,275.99

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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.