Home / 6,407.08-8,840.58-3,612.04

Finding the Fourth Proportional to 6,407.08, 8,840.58 and 3,612.04

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Solution

The fourth proportional to 6,407.08, 8,840.58 and 3,612.04 is: 4,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.08 : 8,840.58 = 3,612.04 : x
  2. Step 2: Convert to fraction form
    6,407.08/8,840.58 = 3,612.04/x
  3. Step 3: Cross multiply
    6,407.08x = 8,840.58 × 3,612.04
  4. Step 4: Simplify right side
    6,407.08x = 31,932,528.58
  5. Step 5: Solve for x
    x = 31,932,528.58/6,407.08
  6. Step 6: Final answer
    x = 4,983.94

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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.