Home / 5,417.28-7,476.30-3,321

Finding the Fourth Proportional to 5,417.28, 7,476.30 and 3,321

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Solution

The fourth proportional to 5,417.28, 7,476.30 and 3,321 is: 4,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.28 : 7,476.30 = 3,321 : x
  2. Step 2: Convert to fraction form
    5,417.28/7,476.30 = 3,321/x
  3. Step 3: Cross multiply
    5,417.28x = 7,476.30 × 3,321
  4. Step 4: Simplify right side
    5,417.28x = 24,828,792.30
  5. Step 5: Solve for x
    x = 24,828,792.30/5,417.28
  6. Step 6: Final answer
    x = 4,583.26

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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.