Home / 3,053.21-4,210.70-2,381.18

Finding the Fourth Proportional to 3,053.21, 4,210.70 and 2,381.18

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Solution

The fourth proportional to 3,053.21, 4,210.70 and 2,381.18 is: 3,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.21 : 4,210.70 = 2,381.18 : x
  2. Step 2: Convert to fraction form
    3,053.21/4,210.70 = 2,381.18/x
  3. Step 3: Cross multiply
    3,053.21x = 4,210.70 × 2,381.18
  4. Step 4: Simplify right side
    3,053.21x = 10,026,401.67
  5. Step 5: Solve for x
    x = 10,026,401.67/3,053.21
  6. Step 6: Final answer
    x = 3,283.89

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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.