Home / 2,923.48-4,031.94-2,398.60

Finding the Fourth Proportional to 2,923.48, 4,031.94 and 2,398.60

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Solution

The fourth proportional to 2,923.48, 4,031.94 and 2,398.60 is: 3,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.48 : 4,031.94 = 2,398.60 : x
  2. Step 2: Convert to fraction form
    2,923.48/4,031.94 = 2,398.60/x
  3. Step 3: Cross multiply
    2,923.48x = 4,031.94 × 2,398.60
  4. Step 4: Simplify right side
    2,923.48x = 9,671,011.28
  5. Step 5: Solve for x
    x = 9,671,011.28/2,923.48
  6. Step 6: Final answer
    x = 3,308.05

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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.