Home / 2,348.84-3,240.67-1,353.99

Finding the Fourth Proportional to 2,348.84, 3,240.67 and 1,353.99

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Solution

The fourth proportional to 2,348.84, 3,240.67 and 1,353.99 is: 1,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.84 : 3,240.67 = 1,353.99 : x
  2. Step 2: Convert to fraction form
    2,348.84/3,240.67 = 1,353.99/x
  3. Step 3: Cross multiply
    2,348.84x = 3,240.67 × 1,353.99
  4. Step 4: Simplify right side
    2,348.84x = 4,387,834.77
  5. Step 5: Solve for x
    x = 4,387,834.77/2,348.84
  6. Step 6: Final answer
    x = 1,868.09

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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.