Home / 4,980.16-7,464.16-2,055.20

Finding the Fourth Proportional to 4,980.16, 7,464.16 and 2,055.20

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Solution

The fourth proportional to 4,980.16, 7,464.16 and 2,055.20 is: 3,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.16 : 7,464.16 = 2,055.20 : x
  2. Step 2: Convert to fraction form
    4,980.16/7,464.16 = 2,055.20/x
  3. Step 3: Cross multiply
    4,980.16x = 7,464.16 × 2,055.20
  4. Step 4: Simplify right side
    4,980.16x = 15,340,341.63
  5. Step 5: Solve for x
    x = 15,340,341.63/4,980.16
  6. Step 6: Final answer
    x = 3,080.29

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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.