Home / 5,040.16-6,938.40-4,154.56

Finding the Fourth Proportional to 5,040.16, 6,938.40 and 4,154.56

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Solution

The fourth proportional to 5,040.16, 6,938.40 and 4,154.56 is: 5,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.16 : 6,938.40 = 4,154.56 : x
  2. Step 2: Convert to fraction form
    5,040.16/6,938.40 = 4,154.56/x
  3. Step 3: Cross multiply
    5,040.16x = 6,938.40 × 4,154.56
  4. Step 4: Simplify right side
    5,040.16x = 28,825,999.10
  5. Step 5: Solve for x
    x = 28,825,999.10/5,040.16
  6. Step 6: Final answer
    x = 5,719.26

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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.