Home / 4,689.06-6,470.69-2,564.49

Finding the Fourth Proportional to 4,689.06, 6,470.69 and 2,564.49

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Solution

The fourth proportional to 4,689.06, 6,470.69 and 2,564.49 is: 3,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.06 : 6,470.69 = 2,564.49 : x
  2. Step 2: Convert to fraction form
    4,689.06/6,470.69 = 2,564.49/x
  3. Step 3: Cross multiply
    4,689.06x = 6,470.69 × 2,564.49
  4. Step 4: Simplify right side
    4,689.06x = 16,594,019.80
  5. Step 5: Solve for x
    x = 16,594,019.80/4,689.06
  6. Step 6: Final answer
    x = 3,538.88

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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.