Home / 1,509.88-2,276.29-1,416.04

Finding the Fourth Proportional to 1,509.88, 2,276.29 and 1,416.04

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Solution

The fourth proportional to 1,509.88, 2,276.29 and 1,416.04 is: 2,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.88 : 2,276.29 = 1,416.04 : x
  2. Step 2: Convert to fraction form
    1,509.88/2,276.29 = 1,416.04/x
  3. Step 3: Cross multiply
    1,509.88x = 2,276.29 × 1,416.04
  4. Step 4: Simplify right side
    1,509.88x = 3,223,317.69
  5. Step 5: Solve for x
    x = 3,223,317.69/1,509.88
  6. Step 6: Final answer
    x = 2,134.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.