Home / 4,478.02-6,180.45-4,281.22

Finding the Fourth Proportional to 4,478.02, 6,180.45 and 4,281.22

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Solution

The fourth proportional to 4,478.02, 6,180.45 and 4,281.22 is: 5,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.02 : 6,180.45 = 4,281.22 : x
  2. Step 2: Convert to fraction form
    4,478.02/6,180.45 = 4,281.22/x
  3. Step 3: Cross multiply
    4,478.02x = 6,180.45 × 4,281.22
  4. Step 4: Simplify right side
    4,478.02x = 26,459,866.15
  5. Step 5: Solve for x
    x = 26,459,866.15/4,478.02
  6. Step 6: Final answer
    x = 5,908.83

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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.