Home / 3,009.77-4,153.58-1,683.71

Finding the Fourth Proportional to 3,009.77, 4,153.58 and 1,683.71

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Solution

The fourth proportional to 3,009.77, 4,153.58 and 1,683.71 is: 2,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.77 : 4,153.58 = 1,683.71 : x
  2. Step 2: Convert to fraction form
    3,009.77/4,153.58 = 1,683.71/x
  3. Step 3: Cross multiply
    3,009.77x = 4,153.58 × 1,683.71
  4. Step 4: Simplify right side
    3,009.77x = 6,993,395.00
  5. Step 5: Solve for x
    x = 6,993,395.00/3,009.77
  6. Step 6: Final answer
    x = 2,323.57

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Half scale
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Double scale
Find fourth proportional to 3,010.77, 4,154.96 and 1,684.71
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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.