Home / 2,038.87-2,813.61-1,154.67

Finding the Fourth Proportional to 2,038.87, 2,813.61 and 1,154.67

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Solution

The fourth proportional to 2,038.87, 2,813.61 and 1,154.67 is: 1,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.87 : 2,813.61 = 1,154.67 : x
  2. Step 2: Convert to fraction form
    2,038.87/2,813.61 = 1,154.67/x
  3. Step 3: Cross multiply
    2,038.87x = 2,813.61 × 1,154.67
  4. Step 4: Simplify right side
    2,038.87x = 3,248,791.06
  5. Step 5: Solve for x
    x = 3,248,791.06/2,038.87
  6. Step 6: Final answer
    x = 1,593.43

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1.5x scale

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.