Home / 10,402.77-15,602.63-3,827.43

Finding the Fourth Proportional to 10,402.77, 15,602.63 and 3,827.43

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Solution

The fourth proportional to 10,402.77, 15,602.63 and 3,827.43 is: 5,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.77 : 15,602.63 = 3,827.43 : x
  2. Step 2: Convert to fraction form
    10,402.77/15,602.63 = 3,827.43/x
  3. Step 3: Cross multiply
    10,402.77x = 15,602.63 × 3,827.43
  4. Step 4: Simplify right side
    10,402.77x = 59,717,955.00
  5. Step 5: Solve for x
    x = 59,717,955.00/10,402.77
  6. Step 6: Final answer
    x = 5,740.58

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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.