Home / 5,078.16-7,612.38-3,224.68

Finding the Fourth Proportional to 5,078.16, 7,612.38 and 3,224.68

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Solution

The fourth proportional to 5,078.16, 7,612.38 and 3,224.68 is: 4,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.16 : 7,612.38 = 3,224.68 : x
  2. Step 2: Convert to fraction form
    5,078.16/7,612.38 = 3,224.68/x
  3. Step 3: Cross multiply
    5,078.16x = 7,612.38 × 3,224.68
  4. Step 4: Simplify right side
    5,078.16x = 24,547,470.51
  5. Step 5: Solve for x
    x = 24,547,470.51/5,078.16
  6. Step 6: Final answer
    x = 4,833.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.