Home / 3,205.60-4,424.28-2,547.46

Finding the Fourth Proportional to 3,205.60, 4,424.28 and 2,547.46

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Solution

The fourth proportional to 3,205.60, 4,424.28 and 2,547.46 is: 3,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.60 : 4,424.28 = 2,547.46 : x
  2. Step 2: Convert to fraction form
    3,205.60/4,424.28 = 2,547.46/x
  3. Step 3: Cross multiply
    3,205.60x = 4,424.28 × 2,547.46
  4. Step 4: Simplify right side
    3,205.60x = 11,270,676.33
  5. Step 5: Solve for x
    x = 11,270,676.33/3,205.60
  6. Step 6: Final answer
    x = 3,515.93

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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.