Home / 5,343.19-7,374.51-2,984.87

Finding the Fourth Proportional to 5,343.19, 7,374.51 and 2,984.87

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Solution

The fourth proportional to 5,343.19, 7,374.51 and 2,984.87 is: 4,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.19 : 7,374.51 = 2,984.87 : x
  2. Step 2: Convert to fraction form
    5,343.19/7,374.51 = 2,984.87/x
  3. Step 3: Cross multiply
    5,343.19x = 7,374.51 × 2,984.87
  4. Step 4: Simplify right side
    5,343.19x = 22,011,972.10
  5. Step 5: Solve for x
    x = 22,011,972.10/5,343.19
  6. Step 6: Final answer
    x = 4,119.63

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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.