Home / 5,061.28-7,594.80-1,985.44

Finding the Fourth Proportional to 5,061.28, 7,594.80 and 1,985.44

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Solution

The fourth proportional to 5,061.28, 7,594.80 and 1,985.44 is: 2,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.28 : 7,594.80 = 1,985.44 : x
  2. Step 2: Convert to fraction form
    5,061.28/7,594.80 = 1,985.44/x
  3. Step 3: Cross multiply
    5,061.28x = 7,594.80 × 1,985.44
  4. Step 4: Simplify right side
    5,061.28x = 15,079,019.71
  5. Step 5: Solve for x
    x = 15,079,019.71/5,061.28
  6. Step 6: Final answer
    x = 2,979.29

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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.