Home / 3,749.18-5,173.47-2,070.50

Finding the Fourth Proportional to 3,749.18, 5,173.47 and 2,070.50

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Solution

The fourth proportional to 3,749.18, 5,173.47 and 2,070.50 is: 2,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.18 : 5,173.47 = 2,070.50 : x
  2. Step 2: Convert to fraction form
    3,749.18/5,173.47 = 2,070.50/x
  3. Step 3: Cross multiply
    3,749.18x = 5,173.47 × 2,070.50
  4. Step 4: Simplify right side
    3,749.18x = 10,711,643.77
  5. Step 5: Solve for x
    x = 10,711,643.77/3,749.18
  6. Step 6: Final answer
    x = 2,857.07

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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.