Home / 5,720.02-7,890.84-3,598.18

Finding the Fourth Proportional to 5,720.02, 7,890.84 and 3,598.18

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Solution

The fourth proportional to 5,720.02, 7,890.84 and 3,598.18 is: 4,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.02 : 7,890.84 = 3,598.18 : x
  2. Step 2: Convert to fraction form
    5,720.02/7,890.84 = 3,598.18/x
  3. Step 3: Cross multiply
    5,720.02x = 7,890.84 × 3,598.18
  4. Step 4: Simplify right side
    5,720.02x = 28,392,662.67
  5. Step 5: Solve for x
    x = 28,392,662.67/5,720.02
  6. Step 6: Final answer
    x = 4,963.73

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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.