Home / 5,417.36-7,473.69-3,645.89

Finding the Fourth Proportional to 5,417.36, 7,473.69 and 3,645.89

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Solution

The fourth proportional to 5,417.36, 7,473.69 and 3,645.89 is: 5,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.36 : 7,473.69 = 3,645.89 : x
  2. Step 2: Convert to fraction form
    5,417.36/7,473.69 = 3,645.89/x
  3. Step 3: Cross multiply
    5,417.36x = 7,473.69 × 3,645.89
  4. Step 4: Simplify right side
    5,417.36x = 27,248,251.63
  5. Step 5: Solve for x
    x = 27,248,251.63/5,417.36
  6. Step 6: Final answer
    x = 5,029.80

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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.