Home / 1,612.18-2,224.05-1,169.11

Finding the Fourth Proportional to 1,612.18, 2,224.05 and 1,169.11

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Solution

The fourth proportional to 1,612.18, 2,224.05 and 1,169.11 is: 1,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.18 : 2,224.05 = 1,169.11 : x
  2. Step 2: Convert to fraction form
    1,612.18/2,224.05 = 1,169.11/x
  3. Step 3: Cross multiply
    1,612.18x = 2,224.05 × 1,169.11
  4. Step 4: Simplify right side
    1,612.18x = 2,600,159.10
  5. Step 5: Solve for x
    x = 2,600,159.10/1,612.18
  6. Step 6: Final answer
    x = 1,612.82

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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.