Home / 5,320.89-7,342.65-2,962.98

Finding the Fourth Proportional to 5,320.89, 7,342.65 and 2,962.98

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Solution

The fourth proportional to 5,320.89, 7,342.65 and 2,962.98 is: 4,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.89 : 7,342.65 = 2,962.98 : x
  2. Step 2: Convert to fraction form
    5,320.89/7,342.65 = 2,962.98/x
  3. Step 3: Cross multiply
    5,320.89x = 7,342.65 × 2,962.98
  4. Step 4: Simplify right side
    5,320.89x = 21,756,125.10
  5. Step 5: Solve for x
    x = 21,756,125.10/5,320.89
  6. Step 6: Final answer
    x = 4,088.81

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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.