Home / 5,417.61-7,479.52-3,429.87

Finding the Fourth Proportional to 5,417.61, 7,479.52 and 3,429.87

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Solution

The fourth proportional to 5,417.61, 7,479.52 and 3,429.87 is: 4,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.61 : 7,479.52 = 3,429.87 : x
  2. Step 2: Convert to fraction form
    5,417.61/7,479.52 = 3,429.87/x
  3. Step 3: Cross multiply
    5,417.61x = 7,479.52 × 3,429.87
  4. Step 4: Simplify right side
    5,417.61x = 25,653,781.26
  5. Step 5: Solve for x
    x = 25,653,781.26/5,417.61
  6. Step 6: Final answer
    x = 4,735.26

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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.