Home / 1,615.24-2,422.48-966.16

Finding the Fourth Proportional to 1,615.24, 2,422.48 and 966.16

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Solution

The fourth proportional to 1,615.24, 2,422.48 and 966.16 is: 1,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.24 : 2,422.48 = 966.16 : x
  2. Step 2: Convert to fraction form
    1,615.24/2,422.48 = 966.16/x
  3. Step 3: Cross multiply
    1,615.24x = 2,422.48 × 966.16
  4. Step 4: Simplify right side
    1,615.24x = 2,340,503.28
  5. Step 5: Solve for x
    x = 2,340,503.28/1,615.24
  6. Step 6: Final answer
    x = 1,449.01

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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.