Home / 4,686.54-6,999.38-4,246.90

Finding the Fourth Proportional to 4,686.54, 6,999.38 and 4,246.90

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Solution

The fourth proportional to 4,686.54, 6,999.38 and 4,246.90 is: 6,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.54 : 6,999.38 = 4,246.90 : x
  2. Step 2: Convert to fraction form
    4,686.54/6,999.38 = 4,246.90/x
  3. Step 3: Cross multiply
    4,686.54x = 6,999.38 × 4,246.90
  4. Step 4: Simplify right side
    4,686.54x = 29,725,666.92
  5. Step 5: Solve for x
    x = 29,725,666.92/4,686.54
  6. Step 6: Final answer
    x = 6,342.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.