Home / 4,142.44-5,716.98-2,570.76

Finding the Fourth Proportional to 4,142.44, 5,716.98 and 2,570.76

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Solution

The fourth proportional to 4,142.44, 5,716.98 and 2,570.76 is: 3,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.44 : 5,716.98 = 2,570.76 : x
  2. Step 2: Convert to fraction form
    4,142.44/5,716.98 = 2,570.76/x
  3. Step 3: Cross multiply
    4,142.44x = 5,716.98 × 2,570.76
  4. Step 4: Simplify right side
    4,142.44x = 14,696,983.50
  5. Step 5: Solve for x
    x = 14,696,983.50/4,142.44
  6. Step 6: Final answer
    x = 3,547.90

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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.