Home / 1,817.32-2,506.56-1,153.60

Finding the Fourth Proportional to 1,817.32, 2,506.56 and 1,153.60

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Solution

The fourth proportional to 1,817.32, 2,506.56 and 1,153.60 is: 1,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.32 : 2,506.56 = 1,153.60 : x
  2. Step 2: Convert to fraction form
    1,817.32/2,506.56 = 1,153.60/x
  3. Step 3: Cross multiply
    1,817.32x = 2,506.56 × 1,153.60
  4. Step 4: Simplify right side
    1,817.32x = 2,891,567.62
  5. Step 5: Solve for x
    x = 2,891,567.62/1,817.32
  6. Step 6: Final answer
    x = 1,591.12

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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.