Home / 3,515.02-4,856.56-2,774.63

Finding the Fourth Proportional to 3,515.02, 4,856.56 and 2,774.63

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Solution

The fourth proportional to 3,515.02, 4,856.56 and 2,774.63 is: 3,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.02 : 4,856.56 = 2,774.63 : x
  2. Step 2: Convert to fraction form
    3,515.02/4,856.56 = 2,774.63/x
  3. Step 3: Cross multiply
    3,515.02x = 4,856.56 × 2,774.63
  4. Step 4: Simplify right side
    3,515.02x = 13,475,162.28
  5. Step 5: Solve for x
    x = 13,475,162.28/3,515.02
  6. Step 6: Final answer
    x = 3,833.60

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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.