Home / 7,409.58-10,228.93-5,727.18

Finding the Fourth Proportional to 7,409.58, 10,228.93 and 5,727.18

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Solution

The fourth proportional to 7,409.58, 10,228.93 and 5,727.18 is: 7,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.58 : 10,228.93 = 5,727.18 : x
  2. Step 2: Convert to fraction form
    7,409.58/10,228.93 = 5,727.18/x
  3. Step 3: Cross multiply
    7,409.58x = 10,228.93 × 5,727.18
  4. Step 4: Simplify right side
    7,409.58x = 58,582,979.57
  5. Step 5: Solve for x
    x = 58,582,979.57/7,409.58
  6. Step 6: Final answer
    x = 7,906.39

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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.