Home / 2,541.48-3,507-1,478.90

Finding the Fourth Proportional to 2,541.48, 3,507 and 1,478.90

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Solution

The fourth proportional to 2,541.48, 3,507 and 1,478.90 is: 2,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.48 : 3,507 = 1,478.90 : x
  2. Step 2: Convert to fraction form
    2,541.48/3,507 = 1,478.90/x
  3. Step 3: Cross multiply
    2,541.48x = 3,507 × 1,478.90
  4. Step 4: Simplify right side
    2,541.48x = 5,186,484.77
  5. Step 5: Solve for x
    x = 5,186,484.77/2,541.48
  6. Step 6: Final answer
    x = 2,040.73

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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.