Home / 4,685.90-6,465.09-2,669.18

Finding the Fourth Proportional to 4,685.90, 6,465.09 and 2,669.18

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Solution

The fourth proportional to 4,685.90, 6,465.09 and 2,669.18 is: 3,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.90 : 6,465.09 = 2,669.18 : x
  2. Step 2: Convert to fraction form
    4,685.90/6,465.09 = 2,669.18/x
  3. Step 3: Cross multiply
    4,685.90x = 6,465.09 × 2,669.18
  4. Step 4: Simplify right side
    4,685.90x = 17,256,456.60
  5. Step 5: Solve for x
    x = 17,256,456.60/4,685.90
  6. Step 6: Final answer
    x = 3,682.64

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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.