Home / 2,557.10-3,526.58-1,996.70

Finding the Fourth Proportional to 2,557.10, 3,526.58 and 1,996.70

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Solution

The fourth proportional to 2,557.10, 3,526.58 and 1,996.70 is: 2,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.10 : 3,526.58 = 1,996.70 : x
  2. Step 2: Convert to fraction form
    2,557.10/3,526.58 = 1,996.70/x
  3. Step 3: Cross multiply
    2,557.10x = 3,526.58 × 1,996.70
  4. Step 4: Simplify right side
    2,557.10x = 7,041,522.29
  5. Step 5: Solve for x
    x = 7,041,522.29/2,557.10
  6. Step 6: Final answer
    x = 2,753.71

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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.