Home / 4,578.72-6,319.80-2,901.12

Finding the Fourth Proportional to 4,578.72, 6,319.80 and 2,901.12

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Solution

The fourth proportional to 4,578.72, 6,319.80 and 2,901.12 is: 4,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.72 : 6,319.80 = 2,901.12 : x
  2. Step 2: Convert to fraction form
    4,578.72/6,319.80 = 2,901.12/x
  3. Step 3: Cross multiply
    4,578.72x = 6,319.80 × 2,901.12
  4. Step 4: Simplify right side
    4,578.72x = 18,334,498.18
  5. Step 5: Solve for x
    x = 18,334,498.18/4,578.72
  6. Step 6: Final answer
    x = 4,004.28

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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.