Home / 2,225.49-3,071.55-2,127.09

Finding the Fourth Proportional to 2,225.49, 3,071.55 and 2,127.09

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Solution

The fourth proportional to 2,225.49, 3,071.55 and 2,127.09 is: 2,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.49 : 3,071.55 = 2,127.09 : x
  2. Step 2: Convert to fraction form
    2,225.49/3,071.55 = 2,127.09/x
  3. Step 3: Cross multiply
    2,225.49x = 3,071.55 × 2,127.09
  4. Step 4: Simplify right side
    2,225.49x = 6,533,463.29
  5. Step 5: Solve for x
    x = 6,533,463.29/2,225.49
  6. Step 6: Final answer
    x = 2,935.74

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Half scale
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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.