Home / 1,478.55-2,040.83-1,036.56

Finding the Fourth Proportional to 1,478.55, 2,040.83 and 1,036.56

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Solution

The fourth proportional to 1,478.55, 2,040.83 and 1,036.56 is: 1,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.55 : 2,040.83 = 1,036.56 : x
  2. Step 2: Convert to fraction form
    1,478.55/2,040.83 = 1,036.56/x
  3. Step 3: Cross multiply
    1,478.55x = 2,040.83 × 1,036.56
  4. Step 4: Simplify right side
    1,478.55x = 2,115,437.56
  5. Step 5: Solve for x
    x = 2,115,437.56/1,478.55
  6. Step 6: Final answer
    x = 1,430.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.