Home / 1,607.94-2,218.05-1,165.32

Finding the Fourth Proportional to 1,607.94, 2,218.05 and 1,165.32

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Solution

The fourth proportional to 1,607.94, 2,218.05 and 1,165.32 is: 1,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.94 : 2,218.05 = 1,165.32 : x
  2. Step 2: Convert to fraction form
    1,607.94/2,218.05 = 1,165.32/x
  3. Step 3: Cross multiply
    1,607.94x = 2,218.05 × 1,165.32
  4. Step 4: Simplify right side
    1,607.94x = 2,584,738.03
  5. Step 5: Solve for x
    x = 2,584,738.03/1,607.94
  6. Step 6: Final answer
    x = 1,607.48

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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.