Home / 4,465.70-6,160.68-3,140.28

Finding the Fourth Proportional to 4,465.70, 6,160.68 and 3,140.28

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Solution

The fourth proportional to 4,465.70, 6,160.68 and 3,140.28 is: 4,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,465.70 : 6,160.68 = 3,140.28 : x
  2. Step 2: Convert to fraction form
    4,465.70/6,160.68 = 3,140.28/x
  3. Step 3: Cross multiply
    4,465.70x = 6,160.68 × 3,140.28
  4. Step 4: Simplify right side
    4,465.70x = 19,346,260.19
  5. Step 5: Solve for x
    x = 19,346,260.19/4,465.70
  6. Step 6: Final answer
    x = 4,332.19

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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.