Home / 4,989.96-6,886.44-2,752.31

Finding the Fourth Proportional to 4,989.96, 6,886.44 and 2,752.31

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Solution

The fourth proportional to 4,989.96, 6,886.44 and 2,752.31 is: 3,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.96 : 6,886.44 = 2,752.31 : x
  2. Step 2: Convert to fraction form
    4,989.96/6,886.44 = 2,752.31/x
  3. Step 3: Cross multiply
    4,989.96x = 6,886.44 × 2,752.31
  4. Step 4: Simplify right side
    4,989.96x = 18,953,603.91
  5. Step 5: Solve for x
    x = 18,953,603.91/4,989.96
  6. Step 6: Final answer
    x = 3,798.35

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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.