Home / 5,165.74-7,130.32-4,901.25

Finding the Fourth Proportional to 5,165.74, 7,130.32 and 4,901.25

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Solution

The fourth proportional to 5,165.74, 7,130.32 and 4,901.25 is: 6,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.74 : 7,130.32 = 4,901.25 : x
  2. Step 2: Convert to fraction form
    5,165.74/7,130.32 = 4,901.25/x
  3. Step 3: Cross multiply
    5,165.74x = 7,130.32 × 4,901.25
  4. Step 4: Simplify right side
    5,165.74x = 34,947,480.90
  5. Step 5: Solve for x
    x = 34,947,480.90/5,165.74
  6. Step 6: Final answer
    x = 6,765.24

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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.