Home / 5,182.79-7,146.83-3,412.13

Finding the Fourth Proportional to 5,182.79, 7,146.83 and 3,412.13

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Solution

The fourth proportional to 5,182.79, 7,146.83 and 3,412.13 is: 4,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.79 : 7,146.83 = 3,412.13 : x
  2. Step 2: Convert to fraction form
    5,182.79/7,146.83 = 3,412.13/x
  3. Step 3: Cross multiply
    5,182.79x = 7,146.83 × 3,412.13
  4. Step 4: Simplify right side
    5,182.79x = 24,385,885.84
  5. Step 5: Solve for x
    x = 24,385,885.84/5,182.79
  6. Step 6: Final answer
    x = 4,705.17

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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.