Home / 2,528.19-3,487.08-1,951.17

Finding the Fourth Proportional to 2,528.19, 3,487.08 and 1,951.17

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Solution

The fourth proportional to 2,528.19, 3,487.08 and 1,951.17 is: 2,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.19 : 3,487.08 = 1,951.17 : x
  2. Step 2: Convert to fraction form
    2,528.19/3,487.08 = 1,951.17/x
  3. Step 3: Cross multiply
    2,528.19x = 3,487.08 × 1,951.17
  4. Step 4: Simplify right side
    2,528.19x = 6,803,885.88
  5. Step 5: Solve for x
    x = 6,803,885.88/2,528.19
  6. Step 6: Final answer
    x = 2,691.21

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Double scale
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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.