Home / 1,733.22-2,390.45-1,103.55

Finding the Fourth Proportional to 1,733.22, 2,390.45 and 1,103.55

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Solution

The fourth proportional to 1,733.22, 2,390.45 and 1,103.55 is: 1,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.22 : 2,390.45 = 1,103.55 : x
  2. Step 2: Convert to fraction form
    1,733.22/2,390.45 = 1,103.55/x
  3. Step 3: Cross multiply
    1,733.22x = 2,390.45 × 1,103.55
  4. Step 4: Simplify right side
    1,733.22x = 2,637,977.99
  5. Step 5: Solve for x
    x = 2,637,977.99/1,733.22
  6. Step 6: Final answer
    x = 1,522.01

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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.