Home / 5,376.08-7,422.60-4,114.87

Finding the Fourth Proportional to 5,376.08, 7,422.60 and 4,114.87

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Solution

The fourth proportional to 5,376.08, 7,422.60 and 4,114.87 is: 5,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.08 : 7,422.60 = 4,114.87 : x
  2. Step 2: Convert to fraction form
    5,376.08/7,422.60 = 4,114.87/x
  3. Step 3: Cross multiply
    5,376.08x = 7,422.60 × 4,114.87
  4. Step 4: Simplify right side
    5,376.08x = 30,543,034.06
  5. Step 5: Solve for x
    x = 30,543,034.06/5,376.08
  6. Step 6: Final answer
    x = 5,681.28

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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.