Home / 1,910.25-2,636.58-1,124.55

Finding the Fourth Proportional to 1,910.25, 2,636.58 and 1,124.55

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Solution

The fourth proportional to 1,910.25, 2,636.58 and 1,124.55 is: 1,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.25 : 2,636.58 = 1,124.55 : x
  2. Step 2: Convert to fraction form
    1,910.25/2,636.58 = 1,124.55/x
  3. Step 3: Cross multiply
    1,910.25x = 2,636.58 × 1,124.55
  4. Step 4: Simplify right side
    1,910.25x = 2,964,966.04
  5. Step 5: Solve for x
    x = 2,964,966.04/1,910.25
  6. Step 6: Final answer
    x = 1,552.14

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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.