Home / 7,070.38-9,756.62-3,926.32

Finding the Fourth Proportional to 7,070.38, 9,756.62 and 3,926.32

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Solution

The fourth proportional to 7,070.38, 9,756.62 and 3,926.32 is: 5,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.38 : 9,756.62 = 3,926.32 : x
  2. Step 2: Convert to fraction form
    7,070.38/9,756.62 = 3,926.32/x
  3. Step 3: Cross multiply
    7,070.38x = 9,756.62 × 3,926.32
  4. Step 4: Simplify right side
    7,070.38x = 38,307,612.24
  5. Step 5: Solve for x
    x = 38,307,612.24/7,070.38
  6. Step 6: Final answer
    x = 5,418.04

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1.5x scale

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.