Home / 5,126.08-7,690.29-1,616.07

Finding the Fourth Proportional to 5,126.08, 7,690.29 and 1,616.07

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Solution

The fourth proportional to 5,126.08, 7,690.29 and 1,616.07 is: 2,424.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.08 : 7,690.29 = 1,616.07 : x
  2. Step 2: Convert to fraction form
    5,126.08/7,690.29 = 1,616.07/x
  3. Step 3: Cross multiply
    5,126.08x = 7,690.29 × 1,616.07
  4. Step 4: Simplify right side
    5,126.08x = 12,428,046.96
  5. Step 5: Solve for x
    x = 12,428,046.96/5,126.08
  6. Step 6: Final answer
    x = 2,424.47

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1.5x scale

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.