Home / 2,038.56-2,813.31-1,154.64

Finding the Fourth Proportional to 2,038.56, 2,813.31 and 1,154.64

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Solution

The fourth proportional to 2,038.56, 2,813.31 and 1,154.64 is: 1,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.56 : 2,813.31 = 1,154.64 : x
  2. Step 2: Convert to fraction form
    2,038.56/2,813.31 = 1,154.64/x
  3. Step 3: Cross multiply
    2,038.56x = 2,813.31 × 1,154.64
  4. Step 4: Simplify right side
    2,038.56x = 3,248,360.26
  5. Step 5: Solve for x
    x = 3,248,360.26/2,038.56
  6. Step 6: Final answer
    x = 1,593.46

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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.