Home / 7,070.04-9,756.90-3,926.52

Finding the Fourth Proportional to 7,070.04, 9,756.90 and 3,926.52

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Solution

The fourth proportional to 7,070.04, 9,756.90 and 3,926.52 is: 5,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.04 : 9,756.90 = 3,926.52 : x
  2. Step 2: Convert to fraction form
    7,070.04/9,756.90 = 3,926.52/x
  3. Step 3: Cross multiply
    7,070.04x = 9,756.90 × 3,926.52
  4. Step 4: Simplify right side
    7,070.04x = 38,310,662.99
  5. Step 5: Solve for x
    x = 38,310,662.99/7,070.04
  6. Step 6: Final answer
    x = 5,418.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.