Home / 3,113.49-4,671.61-1,652.28

Finding the Fourth Proportional to 3,113.49, 4,671.61 and 1,652.28

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Solution

The fourth proportional to 3,113.49, 4,671.61 and 1,652.28 is: 2,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.49 : 4,671.61 = 1,652.28 : x
  2. Step 2: Convert to fraction form
    3,113.49/4,671.61 = 1,652.28/x
  3. Step 3: Cross multiply
    3,113.49x = 4,671.61 × 1,652.28
  4. Step 4: Simplify right side
    3,113.49x = 7,718,799.51
  5. Step 5: Solve for x
    x = 7,718,799.51/3,113.49
  6. Step 6: Final answer
    x = 2,479.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.