Home / 3,501.19-4,831.55-1,929.29

Finding the Fourth Proportional to 3,501.19, 4,831.55 and 1,929.29

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Solution

The fourth proportional to 3,501.19, 4,831.55 and 1,929.29 is: 2,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.19 : 4,831.55 = 1,929.29 : x
  2. Step 2: Convert to fraction form
    3,501.19/4,831.55 = 1,929.29/x
  3. Step 3: Cross multiply
    3,501.19x = 4,831.55 × 1,929.29
  4. Step 4: Simplify right side
    3,501.19x = 9,321,434.53
  5. Step 5: Solve for x
    x = 9,321,434.53/3,501.19
  6. Step 6: Final answer
    x = 2,662.36

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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.