Home / 1,772.64-2,444.52-1,174.48

Finding the Fourth Proportional to 1,772.64, 2,444.52 and 1,174.48

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Solution

The fourth proportional to 1,772.64, 2,444.52 and 1,174.48 is: 1,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.64 : 2,444.52 = 1,174.48 : x
  2. Step 2: Convert to fraction form
    1,772.64/2,444.52 = 1,174.48/x
  3. Step 3: Cross multiply
    1,772.64x = 2,444.52 × 1,174.48
  4. Step 4: Simplify right side
    1,772.64x = 2,871,039.85
  5. Step 5: Solve for x
    x = 2,871,039.85/1,772.64
  6. Step 6: Final answer
    x = 1,619.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.