Home / 4,955.34-7,421.66-2,490.86

Finding the Fourth Proportional to 4,955.34, 7,421.66 and 2,490.86

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Solution

The fourth proportional to 4,955.34, 7,421.66 and 2,490.86 is: 3,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.34 : 7,421.66 = 2,490.86 : x
  2. Step 2: Convert to fraction form
    4,955.34/7,421.66 = 2,490.86/x
  3. Step 3: Cross multiply
    4,955.34x = 7,421.66 × 2,490.86
  4. Step 4: Simplify right side
    4,955.34x = 18,486,345.48
  5. Step 5: Solve for x
    x = 18,486,345.48/4,955.34
  6. Step 6: Final answer
    x = 3,730.59

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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.