Home / 5,320.71-7,342.44-2,962.80

Finding the Fourth Proportional to 5,320.71, 7,342.44 and 2,962.80

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Solution

The fourth proportional to 5,320.71, 7,342.44 and 2,962.80 is: 4,088.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.71 : 7,342.44 = 2,962.80 : x
  2. Step 2: Convert to fraction form
    5,320.71/7,342.44 = 2,962.80/x
  3. Step 3: Cross multiply
    5,320.71x = 7,342.44 × 2,962.80
  4. Step 4: Simplify right side
    5,320.71x = 21,754,181.23
  5. Step 5: Solve for x
    x = 21,754,181.23/5,320.71
  6. Step 6: Final answer
    x = 4,088.59

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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.