Home / 5,342.40-7,371.98-2,984.48

Finding the Fourth Proportional to 5,342.40, 7,371.98 and 2,984.48

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Solution

The fourth proportional to 5,342.40, 7,371.98 and 2,984.48 is: 4,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.40 : 7,371.98 = 2,984.48 : x
  2. Step 2: Convert to fraction form
    5,342.40/7,371.98 = 2,984.48/x
  3. Step 3: Cross multiply
    5,342.40x = 7,371.98 × 2,984.48
  4. Step 4: Simplify right side
    5,342.40x = 22,001,526.87
  5. Step 5: Solve for x
    x = 22,001,526.87/5,342.40
  6. Step 6: Final answer
    x = 4,118.29

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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.