Home / 6,117.78-8,442.49-3,323.30

Finding the Fourth Proportional to 6,117.78, 8,442.49 and 3,323.30

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Solution

The fourth proportional to 6,117.78, 8,442.49 and 3,323.30 is: 4,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.78 : 8,442.49 = 3,323.30 : x
  2. Step 2: Convert to fraction form
    6,117.78/8,442.49 = 3,323.30/x
  3. Step 3: Cross multiply
    6,117.78x = 8,442.49 × 3,323.30
  4. Step 4: Simplify right side
    6,117.78x = 28,056,927.02
  5. Step 5: Solve for x
    x = 28,056,927.02/6,117.78
  6. Step 6: Final answer
    x = 4,586.13

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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.