Home / 5,290.02-7,306.38-3,518.58

Finding the Fourth Proportional to 5,290.02, 7,306.38 and 3,518.58

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Solution

The fourth proportional to 5,290.02, 7,306.38 and 3,518.58 is: 4,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.02 : 7,306.38 = 3,518.58 : x
  2. Step 2: Convert to fraction form
    5,290.02/7,306.38 = 3,518.58/x
  3. Step 3: Cross multiply
    5,290.02x = 7,306.38 × 3,518.58
  4. Step 4: Simplify right side
    5,290.02x = 25,708,082.54
  5. Step 5: Solve for x
    x = 25,708,082.54/5,290.02
  6. Step 6: Final answer
    x = 4,859.73

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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.