Home / 1,401.01-1,933.19-841.36

Finding the Fourth Proportional to 1,401.01, 1,933.19 and 841.36

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Solution

The fourth proportional to 1,401.01, 1,933.19 and 841.36 is: 1,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401.01 : 1,933.19 = 841.36 : x
  2. Step 2: Convert to fraction form
    1,401.01/1,933.19 = 841.36/x
  3. Step 3: Cross multiply
    1,401.01x = 1,933.19 × 841.36
  4. Step 4: Simplify right side
    1,401.01x = 1,626,508.74
  5. Step 5: Solve for x
    x = 1,626,508.74/1,401.01
  6. Step 6: Final answer
    x = 1,160.95

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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.