Home / 1,635.52-2,253.60-1,110.64

Finding the Fourth Proportional to 1,635.52, 2,253.60 and 1,110.64

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Solution

The fourth proportional to 1,635.52, 2,253.60 and 1,110.64 is: 1,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.52 : 2,253.60 = 1,110.64 : x
  2. Step 2: Convert to fraction form
    1,635.52/2,253.60 = 1,110.64/x
  3. Step 3: Cross multiply
    1,635.52x = 2,253.60 × 1,110.64
  4. Step 4: Simplify right side
    1,635.52x = 2,502,938.30
  5. Step 5: Solve for x
    x = 2,502,938.30/1,635.52
  6. Step 6: Final answer
    x = 1,530.36

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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.