Home / 3,248.66-4,483.56-2,130.53

Finding the Fourth Proportional to 3,248.66, 4,483.56 and 2,130.53

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Solution

The fourth proportional to 3,248.66, 4,483.56 and 2,130.53 is: 2,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.66 : 4,483.56 = 2,130.53 : x
  2. Step 2: Convert to fraction form
    3,248.66/4,483.56 = 2,130.53/x
  3. Step 3: Cross multiply
    3,248.66x = 4,483.56 × 2,130.53
  4. Step 4: Simplify right side
    3,248.66x = 9,552,359.09
  5. Step 5: Solve for x
    x = 9,552,359.09/3,248.66
  6. Step 6: Final answer
    x = 2,940.40

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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.