Home / 1,619.64-2,235.60-1,095.66

Finding the Fourth Proportional to 1,619.64, 2,235.60 and 1,095.66

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Solution

The fourth proportional to 1,619.64, 2,235.60 and 1,095.66 is: 1,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.64 : 2,235.60 = 1,095.66 : x
  2. Step 2: Convert to fraction form
    1,619.64/2,235.60 = 1,095.66/x
  3. Step 3: Cross multiply
    1,619.64x = 2,235.60 × 1,095.66
  4. Step 4: Simplify right side
    1,619.64x = 2,449,457.50
  5. Step 5: Solve for x
    x = 2,449,457.50/1,619.64
  6. Step 6: Final answer
    x = 1,512.35

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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.