Home / 3,530.42-4,873.95-3,156.51

Finding the Fourth Proportional to 3,530.42, 4,873.95 and 3,156.51

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Solution

The fourth proportional to 3,530.42, 4,873.95 and 3,156.51 is: 4,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.42 : 4,873.95 = 3,156.51 : x
  2. Step 2: Convert to fraction form
    3,530.42/4,873.95 = 3,156.51/x
  3. Step 3: Cross multiply
    3,530.42x = 4,873.95 × 3,156.51
  4. Step 4: Simplify right side
    3,530.42x = 15,384,653.64
  5. Step 5: Solve for x
    x = 15,384,653.64/3,530.42
  6. Step 6: Final answer
    x = 4,357.74

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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.