Home / 2,560.32-3,530.28-2,186.16

Finding the Fourth Proportional to 2,560.32, 3,530.28 and 2,186.16

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Solution

The fourth proportional to 2,560.32, 3,530.28 and 2,186.16 is: 3,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.32 : 3,530.28 = 2,186.16 : x
  2. Step 2: Convert to fraction form
    2,560.32/3,530.28 = 2,186.16/x
  3. Step 3: Cross multiply
    2,560.32x = 3,530.28 × 2,186.16
  4. Step 4: Simplify right side
    2,560.32x = 7,717,756.92
  5. Step 5: Solve for x
    x = 7,717,756.92/2,560.32
  6. Step 6: Final answer
    x = 3,014.37

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Half scale
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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.