Home / 5,020.72-6,926.40-3,030.18

Finding the Fourth Proportional to 5,020.72, 6,926.40 and 3,030.18

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Solution

The fourth proportional to 5,020.72, 6,926.40 and 3,030.18 is: 4,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.72 : 6,926.40 = 3,030.18 : x
  2. Step 2: Convert to fraction form
    5,020.72/6,926.40 = 3,030.18/x
  3. Step 3: Cross multiply
    5,020.72x = 6,926.40 × 3,030.18
  4. Step 4: Simplify right side
    5,020.72x = 20,988,238.75
  5. Step 5: Solve for x
    x = 20,988,238.75/5,020.72
  6. Step 6: Final answer
    x = 4,180.32

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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.