Home / 3,095.96-4,274.36-2,151.45

Finding the Fourth Proportional to 3,095.96, 4,274.36 and 2,151.45

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Solution

The fourth proportional to 3,095.96, 4,274.36 and 2,151.45 is: 2,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.96 : 4,274.36 = 2,151.45 : x
  2. Step 2: Convert to fraction form
    3,095.96/4,274.36 = 2,151.45/x
  3. Step 3: Cross multiply
    3,095.96x = 4,274.36 × 2,151.45
  4. Step 4: Simplify right side
    3,095.96x = 9,196,071.82
  5. Step 5: Solve for x
    x = 9,196,071.82/3,095.96
  6. Step 6: Final answer
    x = 2,970.35

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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.