Home / 2,252.16-3,378.96-953.28

Finding the Fourth Proportional to 2,252.16, 3,378.96 and 953.28

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Solution

The fourth proportional to 2,252.16, 3,378.96 and 953.28 is: 1,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.16 : 3,378.96 = 953.28 : x
  2. Step 2: Convert to fraction form
    2,252.16/3,378.96 = 953.28/x
  3. Step 3: Cross multiply
    2,252.16x = 3,378.96 × 953.28
  4. Step 4: Simplify right side
    2,252.16x = 3,221,094.99
  5. Step 5: Solve for x
    x = 3,221,094.99/2,252.16
  6. Step 6: Final answer
    x = 1,430.22

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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.