Home / 5,164.64-7,126.40-2,926.16

Finding the Fourth Proportional to 5,164.64, 7,126.40 and 2,926.16

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Solution

The fourth proportional to 5,164.64, 7,126.40 and 2,926.16 is: 4,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.64 : 7,126.40 = 2,926.16 : x
  2. Step 2: Convert to fraction form
    5,164.64/7,126.40 = 2,926.16/x
  3. Step 3: Cross multiply
    5,164.64x = 7,126.40 × 2,926.16
  4. Step 4: Simplify right side
    5,164.64x = 20,852,986.62
  5. Step 5: Solve for x
    x = 20,852,986.62/5,164.64
  6. Step 6: Final answer
    x = 4,037.65

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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.