Home / 1,651.98-2,277.18-1,127.10

Finding the Fourth Proportional to 1,651.98, 2,277.18 and 1,127.10

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Solution

The fourth proportional to 1,651.98, 2,277.18 and 1,127.10 is: 1,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.98 : 2,277.18 = 1,127.10 : x
  2. Step 2: Convert to fraction form
    1,651.98/2,277.18 = 1,127.10/x
  3. Step 3: Cross multiply
    1,651.98x = 2,277.18 × 1,127.10
  4. Step 4: Simplify right side
    1,651.98x = 2,566,609.58
  5. Step 5: Solve for x
    x = 2,566,609.58/1,651.98
  6. Step 6: Final answer
    x = 1,553.66

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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.