Home / 2,715.17-3,750.45-2,008.46

Finding the Fourth Proportional to 2,715.17, 3,750.45 and 2,008.46

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Solution

The fourth proportional to 2,715.17, 3,750.45 and 2,008.46 is: 2,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.17 : 3,750.45 = 2,008.46 : x
  2. Step 2: Convert to fraction form
    2,715.17/3,750.45 = 2,008.46/x
  3. Step 3: Cross multiply
    2,715.17x = 3,750.45 × 2,008.46
  4. Step 4: Simplify right side
    2,715.17x = 7,532,628.81
  5. Step 5: Solve for x
    x = 7,532,628.81/2,715.17
  6. Step 6: Final answer
    x = 2,774.28

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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.