Home / 5,396.08-7,444.56-3,158.32

Finding the Fourth Proportional to 5,396.08, 7,444.56 and 3,158.32

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Solution

The fourth proportional to 5,396.08, 7,444.56 and 3,158.32 is: 4,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.08 : 7,444.56 = 3,158.32 : x
  2. Step 2: Convert to fraction form
    5,396.08/7,444.56 = 3,158.32/x
  3. Step 3: Cross multiply
    5,396.08x = 7,444.56 × 3,158.32
  4. Step 4: Simplify right side
    5,396.08x = 23,512,302.74
  5. Step 5: Solve for x
    x = 23,512,302.74/5,396.08
  6. Step 6: Final answer
    x = 4,357.29

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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.