Home / 2,970.18-4,103.19-2,344.86

Finding the Fourth Proportional to 2,970.18, 4,103.19 and 2,344.86

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Solution

The fourth proportional to 2,970.18, 4,103.19 and 2,344.86 is: 3,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.18 : 4,103.19 = 2,344.86 : x
  2. Step 2: Convert to fraction form
    2,970.18/4,103.19 = 2,344.86/x
  3. Step 3: Cross multiply
    2,970.18x = 4,103.19 × 2,344.86
  4. Step 4: Simplify right side
    2,970.18x = 9,621,406.10
  5. Step 5: Solve for x
    x = 9,621,406.10/2,970.18
  6. Step 6: Final answer
    x = 3,239.33

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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.