Home / 4,118.48-6,177.40-1,040.40

Finding the Fourth Proportional to 4,118.48, 6,177.40 and 1,040.40

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Solution

The fourth proportional to 4,118.48, 6,177.40 and 1,040.40 is: 1,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.48 : 6,177.40 = 1,040.40 : x
  2. Step 2: Convert to fraction form
    4,118.48/6,177.40 = 1,040.40/x
  3. Step 3: Cross multiply
    4,118.48x = 6,177.40 × 1,040.40
  4. Step 4: Simplify right side
    4,118.48x = 6,426,966.96
  5. Step 5: Solve for x
    x = 6,426,966.96/4,118.48
  6. Step 6: Final answer
    x = 1,560.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.