Home / 5,165.74-7,126.29-3,746.31

Finding the Fourth Proportional to 5,165.74, 7,126.29 and 3,746.31

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Solution

The fourth proportional to 5,165.74, 7,126.29 and 3,746.31 is: 5,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.74 : 7,126.29 = 3,746.31 : x
  2. Step 2: Convert to fraction form
    5,165.74/7,126.29 = 3,746.31/x
  3. Step 3: Cross multiply
    5,165.74x = 7,126.29 × 3,746.31
  4. Step 4: Simplify right side
    5,165.74x = 26,697,291.49
  5. Step 5: Solve for x
    x = 26,697,291.49/5,165.74
  6. Step 6: Final answer
    x = 5,168.14

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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.