Home / 2,038.55-2,813.11-1,154.37

Finding the Fourth Proportional to 2,038.55, 2,813.11 and 1,154.37

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Solution

The fourth proportional to 2,038.55, 2,813.11 and 1,154.37 is: 1,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.55 : 2,813.11 = 1,154.37 : x
  2. Step 2: Convert to fraction form
    2,038.55/2,813.11 = 1,154.37/x
  3. Step 3: Cross multiply
    2,038.55x = 2,813.11 × 1,154.37
  4. Step 4: Simplify right side
    2,038.55x = 3,247,368.12
  5. Step 5: Solve for x
    x = 3,247,368.12/2,038.55
  6. Step 6: Final answer
    x = 1,592.98

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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.