Home / 3,340.68-4,612.08-2,971.59

Finding the Fourth Proportional to 3,340.68, 4,612.08 and 2,971.59

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Solution

The fourth proportional to 3,340.68, 4,612.08 and 2,971.59 is: 4,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.68 : 4,612.08 = 2,971.59 : x
  2. Step 2: Convert to fraction form
    3,340.68/4,612.08 = 2,971.59/x
  3. Step 3: Cross multiply
    3,340.68x = 4,612.08 × 2,971.59
  4. Step 4: Simplify right side
    3,340.68x = 13,705,210.81
  5. Step 5: Solve for x
    x = 13,705,210.81/3,340.68
  6. Step 6: Final answer
    x = 4,102.52

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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.