Home / 3,417.49-4,715.92-2,090.91

Finding the Fourth Proportional to 3,417.49, 4,715.92 and 2,090.91

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Solution

The fourth proportional to 3,417.49, 4,715.92 and 2,090.91 is: 2,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.49 : 4,715.92 = 2,090.91 : x
  2. Step 2: Convert to fraction form
    3,417.49/4,715.92 = 2,090.91/x
  3. Step 3: Cross multiply
    3,417.49x = 4,715.92 × 2,090.91
  4. Step 4: Simplify right side
    3,417.49x = 9,860,584.59
  5. Step 5: Solve for x
    x = 9,860,584.59/3,417.49
  6. Step 6: Final answer
    x = 2,885.33

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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.