Home / 4,926.18-7,389.05-1,228.31

Finding the Fourth Proportional to 4,926.18, 7,389.05 and 1,228.31

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Solution

The fourth proportional to 4,926.18, 7,389.05 and 1,228.31 is: 1,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.18 : 7,389.05 = 1,228.31 : x
  2. Step 2: Convert to fraction form
    4,926.18/7,389.05 = 1,228.31/x
  3. Step 3: Cross multiply
    4,926.18x = 7,389.05 × 1,228.31
  4. Step 4: Simplify right side
    4,926.18x = 9,076,000.92
  5. Step 5: Solve for x
    x = 9,076,000.92/4,926.18
  6. Step 6: Final answer
    x = 1,842.40

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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.