Home / 3,507.61-4,840.38-1,935.70

Finding the Fourth Proportional to 3,507.61, 4,840.38 and 1,935.70

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Solution

The fourth proportional to 3,507.61, 4,840.38 and 1,935.70 is: 2,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.61 : 4,840.38 = 1,935.70 : x
  2. Step 2: Convert to fraction form
    3,507.61/4,840.38 = 1,935.70/x
  3. Step 3: Cross multiply
    3,507.61x = 4,840.38 × 1,935.70
  4. Step 4: Simplify right side
    3,507.61x = 9,369,523.57
  5. Step 5: Solve for x
    x = 9,369,523.57/3,507.61
  6. Step 6: Final answer
    x = 2,671.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,508.61, 4,841.76 and 1,936.70
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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.