Home / 2,924.83-4,031.70-2,177.60

Finding the Fourth Proportional to 2,924.83, 4,031.70 and 2,177.60

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Solution

The fourth proportional to 2,924.83, 4,031.70 and 2,177.60 is: 3,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.83 : 4,031.70 = 2,177.60 : x
  2. Step 2: Convert to fraction form
    2,924.83/4,031.70 = 2,177.60/x
  3. Step 3: Cross multiply
    2,924.83x = 4,031.70 × 2,177.60
  4. Step 4: Simplify right side
    2,924.83x = 8,779,415.21
  5. Step 5: Solve for x
    x = 8,779,415.21/2,924.83
  6. Step 6: Final answer
    x = 3,001.69

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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.