Home / 10,451.79-15,678.02-3,055.62

Finding the Fourth Proportional to 10,451.79, 15,678.02 and 3,055.62

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Solution

The fourth proportional to 10,451.79, 15,678.02 and 3,055.62 is: 4,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.79 : 15,678.02 = 3,055.62 : x
  2. Step 2: Convert to fraction form
    10,451.79/15,678.02 = 3,055.62/x
  3. Step 3: Cross multiply
    10,451.79x = 15,678.02 × 3,055.62
  4. Step 4: Simplify right side
    10,451.79x = 47,906,071.47
  5. Step 5: Solve for x
    x = 47,906,071.47/10,451.79
  6. Step 6: Final answer
    x = 4,583.53

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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.