Home / 3,153.16-4,351.48-1,826.84

Finding the Fourth Proportional to 3,153.16, 4,351.48 and 1,826.84

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Solution

The fourth proportional to 3,153.16, 4,351.48 and 1,826.84 is: 2,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.16 : 4,351.48 = 1,826.84 : x
  2. Step 2: Convert to fraction form
    3,153.16/4,351.48 = 1,826.84/x
  3. Step 3: Cross multiply
    3,153.16x = 4,351.48 × 1,826.84
  4. Step 4: Simplify right side
    3,153.16x = 7,949,457.72
  5. Step 5: Solve for x
    x = 7,949,457.72/3,153.16
  6. Step 6: Final answer
    x = 2,521.11

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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.