Home / 5,515.02-7,602.66-4,518.72

Finding the Fourth Proportional to 5,515.02, 7,602.66 and 4,518.72

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Solution

The fourth proportional to 5,515.02, 7,602.66 and 4,518.72 is: 6,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.02 : 7,602.66 = 4,518.72 : x
  2. Step 2: Convert to fraction form
    5,515.02/7,602.66 = 4,518.72/x
  3. Step 3: Cross multiply
    5,515.02x = 7,602.66 × 4,518.72
  4. Step 4: Simplify right side
    5,515.02x = 34,354,291.80
  5. Step 5: Solve for x
    x = 34,354,291.80/5,515.02
  6. Step 6: Final answer
    x = 6,229.22

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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.