Home / 5,320.56-7,342.80-2,962.92

Finding the Fourth Proportional to 5,320.56, 7,342.80 and 2,962.92

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Solution

The fourth proportional to 5,320.56, 7,342.80 and 2,962.92 is: 4,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.56 : 7,342.80 = 2,962.92 : x
  2. Step 2: Convert to fraction form
    5,320.56/7,342.80 = 2,962.92/x
  3. Step 3: Cross multiply
    5,320.56x = 7,342.80 × 2,962.92
  4. Step 4: Simplify right side
    5,320.56x = 21,756,128.98
  5. Step 5: Solve for x
    x = 21,756,128.98/5,320.56
  6. Step 6: Final answer
    x = 4,089.07

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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.