Home / 5,320.40-7,342.28-2,962.52

Finding the Fourth Proportional to 5,320.40, 7,342.28 and 2,962.52

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Solution

The fourth proportional to 5,320.40, 7,342.28 and 2,962.52 is: 4,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.40 : 7,342.28 = 2,962.52 : x
  2. Step 2: Convert to fraction form
    5,320.40/7,342.28 = 2,962.52/x
  3. Step 3: Cross multiply
    5,320.40x = 7,342.28 × 2,962.52
  4. Step 4: Simplify right side
    5,320.40x = 21,751,651.35
  5. Step 5: Solve for x
    x = 21,751,651.35/5,320.40
  6. Step 6: Final answer
    x = 4,088.35

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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.