Home / 3,541.29-4,887.05-1,948.01

Finding the Fourth Proportional to 3,541.29, 4,887.05 and 1,948.01

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Solution

The fourth proportional to 3,541.29, 4,887.05 and 1,948.01 is: 2,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.29 : 4,887.05 = 1,948.01 : x
  2. Step 2: Convert to fraction form
    3,541.29/4,887.05 = 1,948.01/x
  3. Step 3: Cross multiply
    3,541.29x = 4,887.05 × 1,948.01
  4. Step 4: Simplify right side
    3,541.29x = 9,519,999.05
  5. Step 5: Solve for x
    x = 9,519,999.05/3,541.29
  6. Step 6: Final answer
    x = 2,688.28

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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.