Home / 3,853.38-5,315.14-2,360.74

Finding the Fourth Proportional to 3,853.38, 5,315.14 and 2,360.74

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Solution

The fourth proportional to 3,853.38, 5,315.14 and 2,360.74 is: 3,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.38 : 5,315.14 = 2,360.74 : x
  2. Step 2: Convert to fraction form
    3,853.38/5,315.14 = 2,360.74/x
  3. Step 3: Cross multiply
    3,853.38x = 5,315.14 × 2,360.74
  4. Step 4: Simplify right side
    3,853.38x = 12,547,663.60
  5. Step 5: Solve for x
    x = 12,547,663.60/3,853.38
  6. Step 6: Final answer
    x = 3,256.27

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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.