Home / 1,631.18-2,446.88-535.32

Finding the Fourth Proportional to 1,631.18, 2,446.88 and 535.32

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Solution

The fourth proportional to 1,631.18, 2,446.88 and 535.32 is: 803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.18 : 2,446.88 = 535.32 : x
  2. Step 2: Convert to fraction form
    1,631.18/2,446.88 = 535.32/x
  3. Step 3: Cross multiply
    1,631.18x = 2,446.88 × 535.32
  4. Step 4: Simplify right side
    1,631.18x = 1,309,861.13
  5. Step 5: Solve for x
    x = 1,309,861.13/1,631.18
  6. Step 6: Final answer
    x = 803.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.