Home / 5,031.79-7,551.16-2,070.43

Finding the Fourth Proportional to 5,031.79, 7,551.16 and 2,070.43

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Solution

The fourth proportional to 5,031.79, 7,551.16 and 2,070.43 is: 3,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.79 : 7,551.16 = 2,070.43 : x
  2. Step 2: Convert to fraction form
    5,031.79/7,551.16 = 2,070.43/x
  3. Step 3: Cross multiply
    5,031.79x = 7,551.16 × 2,070.43
  4. Step 4: Simplify right side
    5,031.79x = 15,634,124.14
  5. Step 5: Solve for x
    x = 15,634,124.14/5,031.79
  6. Step 6: Final answer
    x = 3,107.07

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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.