Home / 2,035.65-2,809.28-1,151.45

Finding the Fourth Proportional to 2,035.65, 2,809.28 and 1,151.45

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Solution

The fourth proportional to 2,035.65, 2,809.28 and 1,151.45 is: 1,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.65 : 2,809.28 = 1,151.45 : x
  2. Step 2: Convert to fraction form
    2,035.65/2,809.28 = 1,151.45/x
  3. Step 3: Cross multiply
    2,035.65x = 2,809.28 × 1,151.45
  4. Step 4: Simplify right side
    2,035.65x = 3,234,745.46
  5. Step 5: Solve for x
    x = 3,234,745.46/2,035.65
  6. Step 6: Final answer
    x = 1,589.05

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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.