Home / 5,329.64-7,355.30-2,972.36

Finding the Fourth Proportional to 5,329.64, 7,355.30 and 2,972.36

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Solution

The fourth proportional to 5,329.64, 7,355.30 and 2,972.36 is: 4,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.64 : 7,355.30 = 2,972.36 : x
  2. Step 2: Convert to fraction form
    5,329.64/7,355.30 = 2,972.36/x
  3. Step 3: Cross multiply
    5,329.64x = 7,355.30 × 2,972.36
  4. Step 4: Simplify right side
    5,329.64x = 21,862,599.51
  5. Step 5: Solve for x
    x = 21,862,599.51/5,329.64
  6. Step 6: Final answer
    x = 4,102.08

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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.