Home / 4,068.28-5,614.72-2,390.32

Finding the Fourth Proportional to 4,068.28, 5,614.72 and 2,390.32

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Solution

The fourth proportional to 4,068.28, 5,614.72 and 2,390.32 is: 3,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.28 : 5,614.72 = 2,390.32 : x
  2. Step 2: Convert to fraction form
    4,068.28/5,614.72 = 2,390.32/x
  3. Step 3: Cross multiply
    4,068.28x = 5,614.72 × 2,390.32
  4. Step 4: Simplify right side
    4,068.28x = 13,420,977.51
  5. Step 5: Solve for x
    x = 13,420,977.51/4,068.28
  6. Step 6: Final answer
    x = 3,298.93

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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.