Home / 1,872.36-2,583.56-1,126.14

Finding the Fourth Proportional to 1,872.36, 2,583.56 and 1,126.14

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Solution

The fourth proportional to 1,872.36, 2,583.56 and 1,126.14 is: 1,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.36 : 2,583.56 = 1,126.14 : x
  2. Step 2: Convert to fraction form
    1,872.36/2,583.56 = 1,126.14/x
  3. Step 3: Cross multiply
    1,872.36x = 2,583.56 × 1,126.14
  4. Step 4: Simplify right side
    1,872.36x = 2,909,444.63
  5. Step 5: Solve for x
    x = 2,909,444.63/1,872.36
  6. Step 6: Final answer
    x = 1,553.89

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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.