Home / 1,816.14-2,506.13-1,152.75

Finding the Fourth Proportional to 1,816.14, 2,506.13 and 1,152.75

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Solution

The fourth proportional to 1,816.14, 2,506.13 and 1,152.75 is: 1,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.14 : 2,506.13 = 1,152.75 : x
  2. Step 2: Convert to fraction form
    1,816.14/2,506.13 = 1,152.75/x
  3. Step 3: Cross multiply
    1,816.14x = 2,506.13 × 1,152.75
  4. Step 4: Simplify right side
    1,816.14x = 2,888,935.59
  5. Step 5: Solve for x
    x = 2,888,935.59/1,816.14
  6. Step 6: Final answer
    x = 1,590.70

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Half scale
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Double scale
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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.