Home / 5,388.42-7,432.04-3,710.36

Finding the Fourth Proportional to 5,388.42, 7,432.04 and 3,710.36

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Solution

The fourth proportional to 5,388.42, 7,432.04 and 3,710.36 is: 5,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.42 : 7,432.04 = 3,710.36 : x
  2. Step 2: Convert to fraction form
    5,388.42/7,432.04 = 3,710.36/x
  3. Step 3: Cross multiply
    5,388.42x = 7,432.04 × 3,710.36
  4. Step 4: Simplify right side
    5,388.42x = 27,575,554.19
  5. Step 5: Solve for x
    x = 27,575,554.19/5,388.42
  6. Step 6: Final answer
    x = 5,117.56

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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.