Home / 5,005.48-7,509.26-1,717.80

Finding the Fourth Proportional to 5,005.48, 7,509.26 and 1,717.80

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Solution

The fourth proportional to 5,005.48, 7,509.26 and 1,717.80 is: 2,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.48 : 7,509.26 = 1,717.80 : x
  2. Step 2: Convert to fraction form
    5,005.48/7,509.26 = 1,717.80/x
  3. Step 3: Cross multiply
    5,005.48x = 7,509.26 × 1,717.80
  4. Step 4: Simplify right side
    5,005.48x = 12,899,406.83
  5. Step 5: Solve for x
    x = 12,899,406.83/5,005.48
  6. Step 6: Final answer
    x = 2,577.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.