Home / 6,130.17-8,458.29-3,891.23

Finding the Fourth Proportional to 6,130.17, 8,458.29 and 3,891.23

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Solution

The fourth proportional to 6,130.17, 8,458.29 and 3,891.23 is: 5,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.17 : 8,458.29 = 3,891.23 : x
  2. Step 2: Convert to fraction form
    6,130.17/8,458.29 = 3,891.23/x
  3. Step 3: Cross multiply
    6,130.17x = 8,458.29 × 3,891.23
  4. Step 4: Simplify right side
    6,130.17x = 32,913,151.80
  5. Step 5: Solve for x
    x = 32,913,151.80/6,130.17
  6. Step 6: Final answer
    x = 5,369.04

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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.