Home / 1,460.75-2,012.28-1,087.07

Finding the Fourth Proportional to 1,460.75, 2,012.28 and 1,087.07

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Solution

The fourth proportional to 1,460.75, 2,012.28 and 1,087.07 is: 1,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.75 : 2,012.28 = 1,087.07 : x
  2. Step 2: Convert to fraction form
    1,460.75/2,012.28 = 1,087.07/x
  3. Step 3: Cross multiply
    1,460.75x = 2,012.28 × 1,087.07
  4. Step 4: Simplify right side
    1,460.75x = 2,187,479.16
  5. Step 5: Solve for x
    x = 2,187,479.16/1,460.75
  6. Step 6: Final answer
    x = 1,497.51

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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.