Home / 2,252.48-3,378.40-953.64

Finding the Fourth Proportional to 2,252.48, 3,378.40 and 953.64

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Solution

The fourth proportional to 2,252.48, 3,378.40 and 953.64 is: 1,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.48 : 3,378.40 = 953.64 : x
  2. Step 2: Convert to fraction form
    2,252.48/3,378.40 = 953.64/x
  3. Step 3: Cross multiply
    2,252.48x = 3,378.40 × 953.64
  4. Step 4: Simplify right side
    2,252.48x = 3,221,777.38
  5. Step 5: Solve for x
    x = 3,221,777.38/2,252.48
  6. Step 6: Final answer
    x = 1,430.32

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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.