Home / 6,386.72-8,813.75-3,592.22

Finding the Fourth Proportional to 6,386.72, 8,813.75 and 3,592.22

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Solution

The fourth proportional to 6,386.72, 8,813.75 and 3,592.22 is: 4,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.72 : 8,813.75 = 3,592.22 : x
  2. Step 2: Convert to fraction form
    6,386.72/8,813.75 = 3,592.22/x
  3. Step 3: Cross multiply
    6,386.72x = 8,813.75 × 3,592.22
  4. Step 4: Simplify right side
    6,386.72x = 31,660,867.00
  5. Step 5: Solve for x
    x = 31,660,867.00/6,386.72
  6. Step 6: Final answer
    x = 4,957.30

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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.