Home / 4,420.68-6,592.02-4,381.20

Finding the Fourth Proportional to 4,420.68, 6,592.02 and 4,381.20

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Solution

The fourth proportional to 4,420.68, 6,592.02 and 4,381.20 is: 6,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.68 : 6,592.02 = 4,381.20 : x
  2. Step 2: Convert to fraction form
    4,420.68/6,592.02 = 4,381.20/x
  3. Step 3: Cross multiply
    4,420.68x = 6,592.02 × 4,381.20
  4. Step 4: Simplify right side
    4,420.68x = 28,880,958.02
  5. Step 5: Solve for x
    x = 28,880,958.02/4,420.68
  6. Step 6: Final answer
    x = 6,533.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.