Home / 1,522.19-2,281.57-1,158.50

Finding the Fourth Proportional to 1,522.19, 2,281.57 and 1,158.50

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Solution

The fourth proportional to 1,522.19, 2,281.57 and 1,158.50 is: 1,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.19 : 2,281.57 = 1,158.50 : x
  2. Step 2: Convert to fraction form
    1,522.19/2,281.57 = 1,158.50/x
  3. Step 3: Cross multiply
    1,522.19x = 2,281.57 × 1,158.50
  4. Step 4: Simplify right side
    1,522.19x = 2,643,201.65
  5. Step 5: Solve for x
    x = 2,643,201.65/1,522.19
  6. Step 6: Final answer
    x = 1,736.44

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1.5x scale

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.