Home / 5,055.12-7,585.74-2,979.16

Finding the Fourth Proportional to 5,055.12, 7,585.74 and 2,979.16

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Solution

The fourth proportional to 5,055.12, 7,585.74 and 2,979.16 is: 4,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.12 : 7,585.74 = 2,979.16 : x
  2. Step 2: Convert to fraction form
    5,055.12/7,585.74 = 2,979.16/x
  3. Step 3: Cross multiply
    5,055.12x = 7,585.74 × 2,979.16
  4. Step 4: Simplify right side
    5,055.12x = 22,599,133.18
  5. Step 5: Solve for x
    x = 22,599,133.18/5,055.12
  6. Step 6: Final answer
    x = 4,470.54

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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.