Home / 5,409.18-7,459.49-3,285.06

Finding the Fourth Proportional to 5,409.18, 7,459.49 and 3,285.06

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Solution

The fourth proportional to 5,409.18, 7,459.49 and 3,285.06 is: 4,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.18 : 7,459.49 = 3,285.06 : x
  2. Step 2: Convert to fraction form
    5,409.18/7,459.49 = 3,285.06/x
  3. Step 3: Cross multiply
    5,409.18x = 7,459.49 × 3,285.06
  4. Step 4: Simplify right side
    5,409.18x = 24,504,852.46
  5. Step 5: Solve for x
    x = 24,504,852.46/5,409.18
  6. Step 6: Final answer
    x = 4,530.23

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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.