Home / 2,442.76-3,371.14-1,395.16

Finding the Fourth Proportional to 2,442.76, 3,371.14 and 1,395.16

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Solution

The fourth proportional to 2,442.76, 3,371.14 and 1,395.16 is: 1,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.76 : 3,371.14 = 1,395.16 : x
  2. Step 2: Convert to fraction form
    2,442.76/3,371.14 = 1,395.16/x
  3. Step 3: Cross multiply
    2,442.76x = 3,371.14 × 1,395.16
  4. Step 4: Simplify right side
    2,442.76x = 4,703,279.68
  5. Step 5: Solve for x
    x = 4,703,279.68/2,442.76
  6. Step 6: Final answer
    x = 1,925.40

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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.