Home / 3,101.08-4,280.95-1,774.52

Finding the Fourth Proportional to 3,101.08, 4,280.95 and 1,774.52

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Solution

The fourth proportional to 3,101.08, 4,280.95 and 1,774.52 is: 2,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.08 : 4,280.95 = 1,774.52 : x
  2. Step 2: Convert to fraction form
    3,101.08/4,280.95 = 1,774.52/x
  3. Step 3: Cross multiply
    3,101.08x = 4,280.95 × 1,774.52
  4. Step 4: Simplify right side
    3,101.08x = 7,596,631.39
  5. Step 5: Solve for x
    x = 7,596,631.39/3,101.08
  6. Step 6: Final answer
    x = 2,449.68

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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.