Home / 5,088.13-7,632.66-1,578.17

Finding the Fourth Proportional to 5,088.13, 7,632.66 and 1,578.17

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Solution

The fourth proportional to 5,088.13, 7,632.66 and 1,578.17 is: 2,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.13 : 7,632.66 = 1,578.17 : x
  2. Step 2: Convert to fraction form
    5,088.13/7,632.66 = 1,578.17/x
  3. Step 3: Cross multiply
    5,088.13x = 7,632.66 × 1,578.17
  4. Step 4: Simplify right side
    5,088.13x = 12,045,602.79
  5. Step 5: Solve for x
    x = 12,045,602.79/5,088.13
  6. Step 6: Final answer
    x = 2,367.39

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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.