Home / 1,649.15-2,272.01-1,150.92

Finding the Fourth Proportional to 1,649.15, 2,272.01 and 1,150.92

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Solution

The fourth proportional to 1,649.15, 2,272.01 and 1,150.92 is: 1,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.15 : 2,272.01 = 1,150.92 : x
  2. Step 2: Convert to fraction form
    1,649.15/2,272.01 = 1,150.92/x
  3. Step 3: Cross multiply
    1,649.15x = 2,272.01 × 1,150.92
  4. Step 4: Simplify right side
    1,649.15x = 2,614,895.99
  5. Step 5: Solve for x
    x = 2,614,895.99/1,649.15
  6. Step 6: Final answer
    x = 1,585.60

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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.