Home / 3,137.95-4,330.37-1,740.70

Finding the Fourth Proportional to 3,137.95, 4,330.37 and 1,740.70

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Solution

The fourth proportional to 3,137.95, 4,330.37 and 1,740.70 is: 2,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.95 : 4,330.37 = 1,740.70 : x
  2. Step 2: Convert to fraction form
    3,137.95/4,330.37 = 1,740.70/x
  3. Step 3: Cross multiply
    3,137.95x = 4,330.37 × 1,740.70
  4. Step 4: Simplify right side
    3,137.95x = 7,537,844.70
  5. Step 5: Solve for x
    x = 7,537,844.70/3,137.95
  6. Step 6: Final answer
    x = 2,402.16

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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.