Home / 6,130.08-8,458.23-4,008.72

Finding the Fourth Proportional to 6,130.08, 8,458.23 and 4,008.72

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Solution

The fourth proportional to 6,130.08, 8,458.23 and 4,008.72 is: 5,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.08 : 8,458.23 = 4,008.72 : x
  2. Step 2: Convert to fraction form
    6,130.08/8,458.23 = 4,008.72/x
  3. Step 3: Cross multiply
    6,130.08x = 8,458.23 × 4,008.72
  4. Step 4: Simplify right side
    6,130.08x = 33,906,675.77
  5. Step 5: Solve for x
    x = 33,906,675.77/6,130.08
  6. Step 6: Final answer
    x = 5,531.20

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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.