Home / 1,475.25-2,036.70-1,126.59

Finding the Fourth Proportional to 1,475.25, 2,036.70 and 1,126.59

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Solution

The fourth proportional to 1,475.25, 2,036.70 and 1,126.59 is: 1,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.25 : 2,036.70 = 1,126.59 : x
  2. Step 2: Convert to fraction form
    1,475.25/2,036.70 = 1,126.59/x
  3. Step 3: Cross multiply
    1,475.25x = 2,036.70 × 1,126.59
  4. Step 4: Simplify right side
    1,475.25x = 2,294,525.85
  5. Step 5: Solve for x
    x = 2,294,525.85/1,475.25
  6. Step 6: Final answer
    x = 1,555.35

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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.