Home / 2,184.03-3,275.78-885.51

Finding the Fourth Proportional to 2,184.03, 3,275.78 and 885.51

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Solution

The fourth proportional to 2,184.03, 3,275.78 and 885.51 is: 1,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.03 : 3,275.78 = 885.51 : x
  2. Step 2: Convert to fraction form
    2,184.03/3,275.78 = 885.51/x
  3. Step 3: Cross multiply
    2,184.03x = 3,275.78 × 885.51
  4. Step 4: Simplify right side
    2,184.03x = 2,900,731.52
  5. Step 5: Solve for x
    x = 2,900,731.52/2,184.03
  6. Step 6: Final answer
    x = 1,328.16

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.