Home / 5,926.79-8,178.98-3,274.18

Finding the Fourth Proportional to 5,926.79, 8,178.98 and 3,274.18

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Solution

The fourth proportional to 5,926.79, 8,178.98 and 3,274.18 is: 4,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.79 : 8,178.98 = 3,274.18 : x
  2. Step 2: Convert to fraction form
    5,926.79/8,178.98 = 3,274.18/x
  3. Step 3: Cross multiply
    5,926.79x = 8,178.98 × 3,274.18
  4. Step 4: Simplify right side
    5,926.79x = 26,779,415.92
  5. Step 5: Solve for x
    x = 26,779,415.92/5,926.79
  6. Step 6: Final answer
    x = 4,518.37

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Double scale
Find fourth proportional to 5,927.79, 8,180.36 and 3,275.18
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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.