Home / 3,214.89-4,436.63-1,798.53

Finding the Fourth Proportional to 3,214.89, 4,436.63 and 1,798.53

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Solution

The fourth proportional to 3,214.89, 4,436.63 and 1,798.53 is: 2,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.89 : 4,436.63 = 1,798.53 : x
  2. Step 2: Convert to fraction form
    3,214.89/4,436.63 = 1,798.53/x
  3. Step 3: Cross multiply
    3,214.89x = 4,436.63 × 1,798.53
  4. Step 4: Simplify right side
    3,214.89x = 7,979,412.15
  5. Step 5: Solve for x
    x = 7,979,412.15/3,214.89
  6. Step 6: Final answer
    x = 2,482.02

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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.