Home / 5,342.18-7,372.08-2,984.32

Finding the Fourth Proportional to 5,342.18, 7,372.08 and 2,984.32

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Solution

The fourth proportional to 5,342.18, 7,372.08 and 2,984.32 is: 4,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.18 : 7,372.08 = 2,984.32 : x
  2. Step 2: Convert to fraction form
    5,342.18/7,372.08 = 2,984.32/x
  3. Step 3: Cross multiply
    5,342.18x = 7,372.08 × 2,984.32
  4. Step 4: Simplify right side
    5,342.18x = 22,000,627.36
  5. Step 5: Solve for x
    x = 22,000,627.36/5,342.18
  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.