Home / 3,165.36-4,742.76-2,802.48

Finding the Fourth Proportional to 3,165.36, 4,742.76 and 2,802.48

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Solution

The fourth proportional to 3,165.36, 4,742.76 and 2,802.48 is: 4,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.36 : 4,742.76 = 2,802.48 : x
  2. Step 2: Convert to fraction form
    3,165.36/4,742.76 = 2,802.48/x
  3. Step 3: Cross multiply
    3,165.36x = 4,742.76 × 2,802.48
  4. Step 4: Simplify right side
    3,165.36x = 13,291,490.04
  5. Step 5: Solve for x
    x = 13,291,490.04/3,165.36
  6. Step 6: Final answer
    x = 4,199.05

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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.