Home / 2,653.64-3,663.86-1,607.56

Finding the Fourth Proportional to 2,653.64, 3,663.86 and 1,607.56

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Solution

The fourth proportional to 2,653.64, 3,663.86 and 1,607.56 is: 2,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.64 : 3,663.86 = 1,607.56 : x
  2. Step 2: Convert to fraction form
    2,653.64/3,663.86 = 1,607.56/x
  3. Step 3: Cross multiply
    2,653.64x = 3,663.86 × 1,607.56
  4. Step 4: Simplify right side
    2,653.64x = 5,889,874.78
  5. Step 5: Solve for x
    x = 5,889,874.78/2,653.64
  6. Step 6: Final answer
    x = 2,219.55

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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.