Home / 2,417.49-3,335.97-1,355.13

Finding the Fourth Proportional to 2,417.49, 3,335.97 and 1,355.13

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Solution

The fourth proportional to 2,417.49, 3,335.97 and 1,355.13 is: 1,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.49 : 3,335.97 = 1,355.13 : x
  2. Step 2: Convert to fraction form
    2,417.49/3,335.97 = 1,355.13/x
  3. Step 3: Cross multiply
    2,417.49x = 3,335.97 × 1,355.13
  4. Step 4: Simplify right side
    2,417.49x = 4,520,673.03
  5. Step 5: Solve for x
    x = 4,520,673.03/2,417.49
  6. Step 6: Final answer
    x = 1,869.99

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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.