Home / 4,659.40-6,428.82-2,669.32

Finding the Fourth Proportional to 4,659.40, 6,428.82 and 2,669.32

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Solution

The fourth proportional to 4,659.40, 6,428.82 and 2,669.32 is: 3,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.40 : 6,428.82 = 2,669.32 : x
  2. Step 2: Convert to fraction form
    4,659.40/6,428.82 = 2,669.32/x
  3. Step 3: Cross multiply
    4,659.40x = 6,428.82 × 2,669.32
  4. Step 4: Simplify right side
    4,659.40x = 17,160,577.80
  5. Step 5: Solve for x
    x = 17,160,577.80/4,659.40
  6. Step 6: Final answer
    x = 3,683.00

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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.