Home / 4,999.88-6,901.17-2,875.64

Finding the Fourth Proportional to 4,999.88, 6,901.17 and 2,875.64

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Solution

The fourth proportional to 4,999.88, 6,901.17 and 2,875.64 is: 3,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.88 : 6,901.17 = 2,875.64 : x
  2. Step 2: Convert to fraction form
    4,999.88/6,901.17 = 2,875.64/x
  3. Step 3: Cross multiply
    4,999.88x = 6,901.17 × 2,875.64
  4. Step 4: Simplify right side
    4,999.88x = 19,845,297.75
  5. Step 5: Solve for x
    x = 19,845,297.75/4,999.88
  6. Step 6: Final answer
    x = 3,969.15

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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.