Home / 2,038.81-2,813.61-1,154.60

Finding the Fourth Proportional to 2,038.81, 2,813.61 and 1,154.60

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Solution

The fourth proportional to 2,038.81, 2,813.61 and 1,154.60 is: 1,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.81 : 2,813.61 = 1,154.60 : x
  2. Step 2: Convert to fraction form
    2,038.81/2,813.61 = 1,154.60/x
  3. Step 3: Cross multiply
    2,038.81x = 2,813.61 × 1,154.60
  4. Step 4: Simplify right side
    2,038.81x = 3,248,594.11
  5. Step 5: Solve for x
    x = 3,248,594.11/2,038.81
  6. Step 6: Final answer
    x = 1,593.38

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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.