Home / 1,450.04-2,000.58-983.48

Finding the Fourth Proportional to 1,450.04, 2,000.58 and 983.48

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Solution

The fourth proportional to 1,450.04, 2,000.58 and 983.48 is: 1,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.04 : 2,000.58 = 983.48 : x
  2. Step 2: Convert to fraction form
    1,450.04/2,000.58 = 983.48/x
  3. Step 3: Cross multiply
    1,450.04x = 2,000.58 × 983.48
  4. Step 4: Simplify right side
    1,450.04x = 1,967,530.42
  5. Step 5: Solve for x
    x = 1,967,530.42/1,450.04
  6. Step 6: Final answer
    x = 1,356.88

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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.